Home tools Buyer's Guides from tech enthusiast who loves technology and clever solutions for better living.
Best drill bits 2018 – [Buyer’s Guide]Last Updated January 1, 2020
Best drill bits of 2018
Here are the customer reviews of some of the best drill bits of 2018. If you’re scouring the market for the best drill bits, you’d better have the right info before spending your money. Now, let’s get to the gist of the matter: which are the best drill bits for the money? If you get well acquainted with these basics, you shouldn’t have a problem choosing a drill bits that suits your need.
Test Results and Ratings
№1 – 50Pcs High Speed Steel Twist Drill Bit Set Micro Precision 1/1.5/2/2.5/3mm 5Sizes Titanium Coated Split Point Boring Bit Tools for Wood Plastic Aluminum Copper Steel by JelBo
Why did this drill bits win the first place?
I was completely satisfied with the price. Its counterparts in this price range are way worse. I really enjoy the design. It is compact, comfortable and reliable. And it looks amazing! I don’t know anything about other models from this brand, but I am fully satisfied with this product. The product is very strong. Its material is stable and doesn’t crack.
Why did this drill bits come in second place?
I like this product. For such a low price, I didn’t even hope it to be any better. It’s decently made. Managers explained me all the details about the product range, price, and delivery. The design quality is top notch and the color is nice. The material is pretty strong and easy to wash if needed.
Why did this drill bits take third place?
This price is appropriate since the product is very well built. It doesn’t squeaks nor bents. Looks great in my apartment. It is inconvenient to use due to the size. I am going to get something different next time. We are very pleased with the purchase — the product is great!
drill bits Buyer’s Guide
The durability of the bit also depends on the length. As the length of the bit increases, the durability and toughness of the bit decreases. All in all shorter cobalt bits withstand breaking, spinning and twisting.
Make sure you get variety in sizes, before purchasing any drill bit set. Availability of different diameters will make your drill machine work for multiple jobs.
Cobalt Drill Bit Set M4HSS 29pc USA Drills
Are you looking for a sturdy drill bit for your drill machines? Are you sick of the twisting of the bits in the middle of operations? Then Cobalt Drill bit set M4HSS is an apt option to resolve your problem. It is made from superior cobalt M4grade steel.
It is indeed a valuable product in the industrial market due to its high melting point, durability and enhanced cutting speed. Moreover, its tri-flat shank feature makes the bits stick to the surface. All in all it prevents the bit from the twisting and spinning.
Twist cobalt bits
Cobalt twist drill bits are used for all sorts of surfaces and materials. This is the most preferable type of cobalt drill bit, which is used for variety of operations. It comes in different sizes to perform multiple jobs. Moreover, the sturdiness of the cobalt twist drill bit enhances with the shorter length of bit.
Hence, there is no concern of breaking or spinning or twisting for the shorter twist bits. Few bits have coatings of gold oxide, bronze oxide to increase the heat resistance capacity of bit.
Countersink drill bit
These bits are normally used for the drilling in wooden surface. These bits make small pilot hole initially with the help of small middle hole, which pierces the material thoroughly. Moreover, countersink drill bits can sit properly without twisting from the surface due to its tapered fastener head.
Cobalt step drill bit
Step drill bits are generally used for the metals. This bit can penetrate up to 0.2inches inside the metal. You can easily drill various diameters of holes with using a single bit due to its stepped design. Moreover, you can also use step cobalt drill bit for the wood material due to its good penetrating capacity.
You may always combine this tool with other useful tools such as car buffers, which can help in polishing and buffering the car exteriors and anti-corrosion remedy, the grease guns that help in avoiding corrosion process in cars.
There are so many options available for the cobalt drill bit set. Before choosing a cobalt drill bit set, you should keep in mind some factors such as durability, length, availability of the sizes, tip point style, material used into the making of bit, material of case and the endurance of bit against high temperature.
Cobalt Drill Bit Set M4HSS 2pc satisfies many qualities at some level, which are described above. It is made from high speed steel M4Moreover, it comes in variety of sizes so you can use it for multiple jobs. Its tri-flat shank feature prevents the bit from twisting and spinning. Hence, Cobalt Drill Bit Set M4HSS has good enough features to opt for purchase.
Use a twist bit for general drilling. A high-speed bit is the best.
When drilling concrete, brick, slate or plaster use masonry bits at low speeds.
When drilling tile or glass use the spear point at low speeds.
A hole saw is great to make large holes, but make sure the drill can handle the extra force or your burn the motor out very quickly. Always use your side handle.
Hard Woods vs Soft Woods
Typical hard woods include ash, beech, cherry, ebony, maple, mahogany, oak, rosewood, and teak.
The main reason this is important to know is that hard wood is typically more expensive than soft wood. Hard wood is also much harder to drill through than soft wood. You can use the same drills, but it will take more effort when faced with the harder type woods.
Additional features are always a plus as they offer more flexibility and greater benefits. Do scan through all the features a drill bit sharpener has to offer.
The Cost Factor
Here, the general meaning is not just the price of the sharpener. Obviously, who would want to spend more if same quality is promised at lower prices? What we mean by investment is that there is a range of sharpeners available as compared to some sharpeners that are cheap and claim to sharpen any drill bits without the use of a bench grinder.
But since you are bound to get frustrations after repeated use, you should invest in an ordinary bench grinder, sharpening gigs or drill doctors as doing so may be a bit expensive than plastic sharpeners but worth your money.
For around-the-house drilling and driving needs, there is no better option to turn to than the Ryobi 90-Piece Drill and Drive Kit. This set replaces our previous pick, the Ryobi 90-Piece Drilling and Driving Accessory Kit, which has been discontinued. The only functional difference is that the general purpose bits in the new kit are coated with black oxide and not titanium like they were in the older kit. After testing, we’re more than satisfied with their durability.
Ryobi has discontinued our previous pick and runner-up and replaced them with nearly identical drill bit sets. After spending three months testing the new versions, we’re satisfied with their performance. Our new pick is the Ryobi 90-Piece Drill and Drive Kit, which offers the widest variety of useful accessories for drilling holes and driving screws. If the Ryobi 90-piece set isn’t available, our new runner-up, the Ryobi 60-Piece Drill and Drive Kit, is also very nice. It has all the same essentials, just in smaller quantities.
The Ryobi kit contains two 1/8-inch and two 1/16-inch black oxide bits. In my experience, these are the most commonly used and most often broken sizes. Having a spare of each is a nice touch.
The main selling point of the Ryobi is that it comes with a full set of 2general-purpose black oxide coated bits and a smaller five-piece set of brad point wood bits. The brad points have a centering tip that makes for high-precision work. Because there are two bit sets, I’ve been using the black oxide ones for the aggressive and dulling work, like drywall anchors and pre-drilling for basement shelving, while saving the brad points for the delicate work, such as furniture repairs and kitchen shelving. It’s also important to note that the Ryobi kit contains two 1/8-inch and two 1/16-inch black oxide bits. In my experience, these are the most commonly used and most often broken sizes. Having a spare of each is a nice touch.
The black oxide bits max out in size at ⅜ inch. For larger holes, the Ryobi has a four-piece paddle bit set that goes up to inch. Beyond that is a four-piece hole saw set that goes up to 2⅛ inches, which is unique to the Ryobi kit. In addition, there is a five-piece masonry bit set.
The Ryobi kit also includes four depth stops, which are collars that can be locked on to a drill bit to set them to a specific drilling depth. When I installed a keyboard tray on the underside of a desk, these prevented me from drilling through the top of the desk. Most carpenters I know will simply wrap a piece of blue tape around the drill bit at the right depth and stop drilling when it makes contact with the wood, but using the depth stops is easier and much more accurate.
The screw on the left was driven into the plywood without any prep. For the middle screw, I used the countersink first. Notice how much cleaner it is. The countersink is one of the high points of the Ryobi kit.
A Ryobi masonry bit still going strong after making 21-inch-deep holes through a cinder block.
And as for durability, I’m more than satisfied with the Ryobi kit. Using the ⅜-inch masonry bit (the largest supplied), I drilled more than two dozen 1-inch-deep holes in a cinder block without the bit really slowing down.
The general purpose bits in the Ryobi are coated with black oxide. While titanium is technically preferable, the reality is that either one will deliver good performance. As mentioned earlier, the tester in the Family Handyman used a black oxide bit to bore 160 holes in a combination of pine, oak, aluminum, fiberboard, and steel. It was only after he drilled another 2holes in steel that the bit started to wear out. To satisfy our own curiosity, we took the largest bit from the black oxide Ryobi kit (⅜-inch) and drilled 100 holes into a two-by-four, 2holes into a 1/16-inch-thick aluminum, then another 50 holes in the two-by-four. After all this, the bit was still drilling with no problems. It should be fine for around the house work.
Flaws but not dealbreakers
Another potential flaw of the Ryobi kit is that the case doesn’t exactly scream durability. The lid is held on with three plastic hinges. The sliding latch is also plastic and sometimes needs to be wiggled to get it lined up properly. Overall, our test unit is still in fine shape, but a serious drop on a concrete floor would do some damage. The flip side of this is that a real construction-ready case would add significant bulk, as well as cost, to the Ryobi kit. As long as you’re careful with it, this case should be fine.
If the Ryobi 90-piece set isn’t available, the 60-piece set is also very nice. It has all the same essentials, but in smaller quantities.
If Ryobi’s 90-piece kit isn’t available, our second choice is Ryobi’s 60-Piece Drill and Drive Kit. Even though it’s smaller than our main pick, it still has far more useful pieces than any other kit out there. The 60-piece kit has the same basic selection of items as the larger kit, but just in smaller amounts. There is only one hole saw size (instead of four) and only one paddle bit (instead of four). It’s missing the depth stops and the selection of 2-inch driver bits, both of which are nice to have, but not essential. Spending a little more for the larger 90-piece kit is definitely worth it, but this one could work just fine instead.
One of the major uses of hole saws is to drill holes in doors for security peepholes and locks. There are kinds of hole saws: one with a welded steel cup design (threaded onto an arbor) and the other with spring steel cutter (for locking into an arbor).
Often called the twist drills, these bits are widely used by handymen with either an electric or hand drill. The front part cut the element and the spirals remove the remains from the hole and keep the bit straight. They are used on metal, plastics, timber, and other materials.
Spur point bit
They are also known as dowel or wood bit and have a middle point as well as two hoisted spurs that assist keep the tool drilling straight. This bit bores timber quite fast when used with a power drill and always leave a clean hole. They are perfect for boring holes for dowels as the sides should be parallel and clean.
No doubt the most commonly referred variant of drill bit, twist drills are a mainstay in almost any machine shop and also a modder’s toolbox. We need them for drilling new mounting points, removing rivets from cases, making fill ports, etc. So it comes as no surprise that the field has some depth to it. I’m sure anybody who’s set out to purchase a set before has been graced with a frankly overwhelming set of options, with sizes, materials, brands, finishes, and prices all important considerations.
TEKTON 6580 Automatic Center Punch
Drilling steel is a tricky thing to do when it is one-eighth of an inch thick or thicker. You should know what type of steel you are going to drill a hole into. Alloy steels are a mix of different types of metal that could make them hard, ductile or other characteristics desired for the steel. There are also low, medium and high carbon steels. Gray and white cast irons, like those used for engine blocks, are the most difficult to drill.
Aluminum and other thin sheets of steel are quite easy to drill holes on. Make sure you use an electric drill, with at least 650 watts of power. The drill bit should be a steel drill bit, meaning, it is the type used for steel. Drill bits used for wood or concrete can not do the job (see our guide to router bits). Always make sure you are using the right power tools when working.
Things to Note While Drilling
While drilling through the steel, the sound has a higher pitch.
Once the drill bit has gone through the steel it will have lower pitch. That’s the time to let go of the trigger and pull out the drill during the last turns of the drill bit.
Make sure that while drilling, you keep steady on the vertical position and keep a steady desired pressure.
What’s it for
A corded power drill is used for drilling holes in metal, plastics, wood, brick, stone, concrete, glass, and tiles. Various types and lengths of drill bits are available depending on the material being drilled; HSS (High Speed Steel) bits for metal, flat bits for wood, and masonry bits for concrete.
How it works
The bit is held in a clamping device on the end of the drill shaft called a chuck. Some drills come with chucks which are keyless and can be hand-tightened, others are fitted with chucks which need to be tightened with a chuck key. This allows the drill bit to be tightened more securely and large bits are less likely to slip, but keyless hand-tightening chucks are more convenient. Most DIY model drills will have a 1/inch (13mm) chuck which can accommodate drills up to this diameter, but 5/inch (16mm) chucks are also available. These drills range in power from about 500 to 800 watt. 650 to 700 watt provides adequate power for most jobs.
If you need to drill holes in awkward spots, you can get a right angled chuck adapter which fits into the chuck of the drill. Alternatively flexible drives are available.
Things to consider
Drills may have a fixed speed setting, speed settings, or variable speed depending on how hard you squeeze the trigger. Variable speed is most convenient as it allows a drill hole to be started easier without the bit moving all over the place. Also lower speeds should be used with larger diameter bits to avoid overheating the bit due to friction.
What it’s for
Jigsaws can be used to cut wood, metal, plastic, and other materials. Different types of blades are available to suit the material being cut. Since the blades used in a jigsaw are slim and narrow, this allows curved profiles such as circles to be cut in sheet material. Jigsaws are normally used for cutting timber up to about 40 mm thick (approx. 1/inch). Long blades can be used in a jigsaw and manufacturers quote maximum cutting capacity up to inches (this seems a bit overly optimistic!).
A multi-tool is useful for applications where a jigsaw, handsaw or reciprocating saw can’t be used. The latter have blades which move relatively slowly over a large distance, so the blade can end up hitting stuff if there isn’t clearance. A multi-tool on the other hand has a head which moves very rapidly (typically 10,000 oscillations per second) over a small angle. So the accessory has a small range of movement perpendicular to, rather than towards the workpiece. A typical application of a multi-tool is to trim the underside of a door jamb so that tiles or flooring can be slid underneath. The tool can trim, but can also be used for plunge cutting, e.g. to cut out holes in plasterboard (hardwall) for fitting socket outlets.
Cordless tools are available in 12, 18, 2and 3volt versions. If you buy a cordless tool, get one with two batteries so that you can have one battery on charge while using the other. Batteries are quite expensive when bought separately at a later stage.
The capacity of a cordless drill battery is measured in amp-hours or AH. Higher amp-hour capacity batteries will give longer use between charges. Most cordless tools now use lithium ion rechargeable batteries and this technology doesn’t suffer from the memory effect associated with older technology NiCd batteries. Also lithium batteries have a higher energy storage density than NiCd or NiMh. This results in a lighter battery for a given capacity. Another advantage of lithium batteries is that they hold their charge much longer, so a tool is always ready for use.
The latest trend in cordless tools is the use of brushless motors. The absence of brushes reduces friction, prolonging usage time when the battery is charged. Power output is also supposedly increased. Brushless tools are more expensive, so you may get a better deal on a cordless drill with brushes, which have somewhat dropped in price.
If you decide to buy a range of tools from the same manufacturer, a cheaper option is to buy the tools raw, i.e. without batteries. Then you can just buy a battery (and a spare if you want) and share it between tools as needed.
Air Tools and Compressors
How To Budget For Your Cordless Drill
How much money you have budgeted to purchase your cordless drill will be crucial when selecting a model that’s best for you. There are a wide range of prices out there, and generally the higher you go in terms of price, the higher quality the drill will be. But then sometimes you want what will get the job done with little effort and muscle. Many professional contractors or remodelers buy several cordless drills to handle the different types of drilling jobs and projects that may be done. It is not uncommon for them to purchase a cordless screwdriver, impact driver and drill driver for example. What matters is that you choose models that will help you do the jobs at hand with much less difficulty and with greater speed. They do have combination styles that can do several types of job well, but overall, getting or different ones will cover all the bases and have you prepared for anything.
Job Specific Cordless Drills
Different drills are going to be better for specific jobs than others. If you know which ones are suited for certain jobs before you start searching for the drill you want, you won’t end up with something that isn’t powerful enough or that is TOO much power.
Cordless screwdrivers – The cordless screwdriver is great for assembling things and basic household projects. Not recommended for drilling holes or installing lag screws.
Cordless impact drivers – These are the drills that can handle the heavy-duty jobs and are great for professionals.
Cordless Drill Voltage
Volts tell you the power rating of a cordless drill and can range anywhere from to 2volts. The higher the voltage the more powerful the drill is. When a cordless drill has a lot of power, it can overcome the more difficult jobs where there may be some resistance. The downside of these more powerful drills is that they usually weigh a lot more than the less powered variety. If you’re using your cordless drill for jobs around the house or for light remodeling projects, a 14-volt drill will do the job quite nicely. On the other hand, if you need a lot of torque and you’ll be working with masonry or other tough material, you’ll need to get a drill that has more power.
This is an important part of any cordless drill that you would consider purchasing. Purchasing a cordless drill with a comfortable grip is important, especially when you’re working with them for hours at a time. Because of new advanced designs, drill brands are creating ergonomic grips for a better user experience. Many have rubberized grips for even more comfort. If you already know that you suffer from wrist, elbow and shoulder issues, look for a lighter, compact model.
There are the best cordless drills with special grips, a convenient LED light to help guide your work, different speeds and more. You may be a person looking for a simple drill to get those jobs done quickly and efficiently, while others may be looking for some slick side features that make your experience and work a bit easier/hassle free. This can also lead to what makes the cordless drills price what it is. In addition to the standard features listed above, cordless drills can also have some really handy features that make your jobs and projects much easier.
The Right Drill For The Job
Whether you’re hanging a picture on a wall, fixing the wheel on your child’s bike or conquering a weekend DIY project, it always pays to have the right tool for the job.
Below are our suggestions on the type of drill you to look for when doing specific jobs. Keep in mind that each drill has different strengths and weaknesses but knowing these can make your choice much easier.
Light maintenance and repair – This will include such jobs as installing drape brackets, drilling holes for drywall anchors, assembling furniture, grills, exercise equipment, etc, installing new cabinet and drawer handles and knobs, removing or replacing door hinges. All of these types of tasks are relatively quick so you don’t need a cordless drill with two batteries. To cover drilling holes and driving screws, make sure your drill has two fixed speeds and a variable speed option and look for an adjustable clutch as well. A drill such as the Ryobi P20One+ will be great for these types of jobs.
Repair and Remodeling – These are jobs that are a bit more involved such as: building storage racks or storage closet shelving, replacing deck railings and fence pickets, drilling pilot holes, driving screws into plywood or hardwood, hanging drywall and making furniture. The drill you want will have a variable speed, two-speed ranges, a clutch, and T-handle as well. Get another battery as well so you don’t have to start in the middle of a project. The best drill for these tops of jobs would be the Makita LXDT01.
WHY YOU NEED MULTIPLE 90 DEGREE DRILL BIT
There are several reasons why you will be needing a multipurpose material for whatever project you are embarking on in this century. Then with considerations for the following reasons, one should consider having a multiple 90 degree drill bit.
In every project, there is a time factor that helps in speeding up things during work and that’s because you want to meet up with a particular target. You can’t imagine yourself running from one place to another wasting time because you do not have the perfect bit for you or what you want to do. With multiple 90 degree drill bit, this can be averted. Because you have the convenience to change to suitable bits when the need arises.
With multiple 90 degree drill bit, there are available alternatives for whatsoever you want to do. The package provides you with well-packed bits of different size and functions, increasing your chance of getting your job done without constraints or having to run from one place to another trying to get a tool that seems not to be available to you in single function drills.
Getting a drill with limited number of bits means paying more to avoid disappointment during your work. This is because you will definitely have to spend more on getting several drills to have enough bits for you to carry out your work properly and effectively. But with multiple 90 degree drill bit, you are going to be paying less to get a pack of all the necessary bits for your work. This will lead to a reduction in cost of doing business and at the same time maximize profit.
It has never been an easy task carrying several packs of different drill bits from one place to another. With a well packaged drill bit containing all the necessary 90 degree drill bits, you can worry less about the stress you have to go through before getting your tools to the place where they’ll be needed and the time you will be saving yourself in doing that.
Why We Like It
Ideal for wood or plastic, our Top Pick is the Dewalt bit set, which are coated with titanium to provide a longer drill life in non-ferrous (non-iron) materials, which makes them a great choice for commercial or residential applications. This bit set includes sizes that range from 1/inch to 1/inch, contained in a sturdy plastic case.
Made in USA
Faster cutting speed
These titanium-coated bits can be used in both drills and high powered drill presses and work very well for more demanding projects such as auto repair and industrial steel work. This 30-piece, quick change set comes in increments of 1/64-inch, meaning you won’t be at a loss for the right size. Great product for the price.
Drill America delivers a great value with this 29-piece colbalt set that works well on about any type of steel, stainless steel or fiberglass, and are perfect for working in the auto industry. The handy little case has a clip for easy organization and transport. A well-done product that will last a long time.
Faster chip ejection
Made with the super-durable 5% cobalt M-4alloy, these bits are ready to tackle the hard stuff with features that include a heavy duty spiral flute design to bore cleaner and faster, and a 135-degree split point tip for easy penetration. Tested to work great in automotive repair with a lot of 5-star reviews, this set works like a charm and the metal case keeps it all organized.
If you are searching for drill bits that maintain premium durability and longevity after multiple uses, then consider this Tooluxe Titanium Drill Bit set. Constructed from classic high-speed steel and perfect for drilling into wood, plastic, and softer steels, these bits are titanium-coated for durability and equipped with a 1/4-inch male hexagonal shafts for a secure, sturdy fit into your drill. The 135-degree split point tip with its twist design is designed to tackle harder material, provides an easier self-centering while it reduces walking and will add longevity to the life of the bit.
The twist design will quickly remove all the chips and particles, leaving behind a sharp, clean drill. Another nice thing about this bit set is that it comes with a handy rubber holder and a size index for easy, convenient storage and organization. For a great price that really cannot be beat, this set is a great choice in value, durability, and overall versatility .
If you need both a drill and a screwdriver for tasks around the house, a combined drill and screwdriver is probably the best choice. You get good value for your money. If you are using a screwdriver a lot, a cordless screwdriver is a better choice than a combined drill and screwdriver. The cordless screwdrivers are lighter and smaller than drills, making them easier to use. Cordless screwdrivers are also cheaper than cordless drills.
If you need a really powerful driver, then the impact driver is the right tool for you. The impact driver is not suitable for drilling but it is the best tool for driving large screws.
How to Use a Power Drill
The power drill has two other important components. There’s a button, near the trigger, that tells the drill whether to go forward (clockwise) or backward. There’s also (in most drills) a torque setting. When torque is set to its lowest (loosest) setting, it will tighten the screw until it feels a little tension, then start clicking rapidly. When torque is on its highest setting, it will keep tightening the screw until it cams out (see the screwdriver article, if you forgot what this means) or until something bad happens (strips the screw, pokes your eye out, etc.). Usually, you should start with a low to medium torque setting. Then, if you need more, adjust accordingly. → Pi:The most disturbing use of a power drill was in Darren Aronofsky’s psychological thriller Pi. Yes, he’s the guy who did Black Swan. Anyway, if you haven’t seen Pi, I won’t spoil it, but it’s a very disturbing use of a power drill.
There are different types of drill bits for different types of material. The most common are general-purpose, with a simple head, and can be used for most around-the-house projects. Others include spade or flat bits (for construction framing bolt-holes in wood), masonry (for concrete), brad point bits (for word or dowel work), and bits with a diamond carbide tip (for drilling into porcelain or other tough surfaces).
If drilling a large hole — especially in metal, or with a precise center point — you may first need to make a smaller “pilot hole” to help guide the drill and protect the material from cracking. Some bits do this for you, but these are specialized tools, and you could probably live a full and happy life without ever seeing one.
Drilling involves different holes and sizes, meaning you need to buy a set of bits rather than just one. This may not always be desirable, but we are only trying to be safe – last thing you need is to find yourself missing the one drill bit absolutely required for the task at hand.
This has to be at the high end of the meter, purely because speedy drilling ensures quicker and cleaner cuts. A split-tip design is often ideal in this regard, because it drills on contact and does not bit walk like other types of bits. This reduces chances of your having to redo that hole or end up with inaccurate drill cuts. Split-tips also remove the whole ‘center-punch’ problem when it comes to project-based drilling, meaning you do not need to waste precious time and energy switching between bits in the middle of a job.
This might seem trivial to newbies, but is a crucial design feature on any drill bit.Titanium is the longest-lasting coating we have come across so far, which in turn influences durability and accuracy for drilling tasks. On a similar note, protective cases can help improve drill bit lifespans too but they are not a crucial factor to consider. Plenty of professionals store their bits in custom-made cases or older ones that have served them well over several years.
Much like good clothes, drill bits need to fit the power tool chucks you are going to lock them into. A poor fit can result in horrible twisting, wobbling, and pressure-loss that will obviously ruin your project and, by extension, your drilling experience.The more universally compatible the drill bit is, the better off you will be using it.
There are only a handful of excellent choices out there in this sub-category, so you do not need to spend hours and hours searching.
Carbide-tipped – While these can get pricey, they also serve you well by remaining sharper for longer than other drill bits have shown.
Steel bits–Great with softwoods, these bits have a tendency to dull quickly (especially when used on hardwoods) and could break just as soon. Light usage is recommended.
High-Speed Steel bits – These are the more popular choice of bits, owing to blades that are harder than the steel version mentioned earlier. They also remain sharper for much longer.
These bits have a special diamond ground tungsten carbide tip that can (generally) be used in both rotary and hammer modes. They are capable of drilling nearly every type of material, including wood, masonry, ceramic tiles, plastic, and metal.
Some manufacturers will recommend only using this type of drill bit on rotary mode when drilling masonry to preserve the integrity of the modified tip. Therefore, for regular and/or repetitive masonry drilling (especially into concrete), the use of dedicated masonry drill bits is still recommended.
Cobalt HSS Bits
These drill bits are precision ground from solid cobalt alloyed high speed steel and are very resistant to high temperatures and abrasion. They are used for drilling materials like stainless steel and other high tensile steels, including cast iron, cast steel, bronze, and weld seams.
Forstner bits are a very specialised drill bit type commonly used for installing concealed hinges (usually 26mm or 35mm in diameter). They are capable of boring large diameter holes in wood, and their flat-bottom design enables users to pull just short of going through the piece of wood. There are two types of forstner bits – those with a continuous rim and those with a saw-tooth rim. Continuous rim (as shown) bits leave a very clean edge and are best for smaller holes, while saw-tooth bits produce relatively rough holes, but are better for larger holes (over 25mm in diameter) and last longer.
These bits can be used in a handheld drill, but require a large amount of forward pressure to operate. It is therefore recommended that a drill press be used instead.
Plug Cutting Bit
Plug cutters are used to make timber plugs that fit into and conceal recessed screw holes in your soon-to-be varnished work. This is done by cutting the plugs out of a separate piece of the same timber you are working with so as to preserve the colour and grain of the wood. The most common sizes are 3/8?, 1/2?, and 5/8?.
These bits should be used in a drill press as they have no centre point to keep them steady and aligned. This also allows better control over the depth of the cut, as drilling all the way down to the end of the cutter will mean prying the plug out with a small screwdriver.
These bits have a normal HSS drill bit tip but after the first 15mm or so, the shaft of the bit changes into a unique abrasive pattern. When a lateral force is applied to the bit, this pattern is capable of sawing holes into wood or metal.
Be careful applying lateral force to the bit, as all drill bits are designed to be strongest when forward pressure is applied.
Drill saws can be difficult to steer, and can therefore produce a somewhat inaccurate hole. For more accurate holes, see hole saws.
First of all thanks for reading my article to the end! I hope you find my reviews listed here useful and that it allows you to make a proper comparison of what is best to fit your needs and budget. Don’t be afraid to try more than one product if your first pick doesn’t do the trick.
Most important, have fun and choose your drill bits wisely! Good luck!
So, TOP3 of drill bits
- №1 — 50Pcs High Speed Steel Twist Drill Bit Set Micro Precision 1/1.5/2/2.5/3mm 5Sizes Titanium Coated Split Point Boring Bit Tools for Wood Plastic Aluminum Copper Steel by JelBo
- №2 — SigmaGo Magnetic Wristband with 15 Strong Magnets for Holding Tools
- №3 — X-Things 3 Pack 11.8 Inch Flexible Drill Bit Extension with Screw Drill Bit Holder