Most Common Types of Drill Bits

Are you looking for drill and drill bits? Drill and drill bits have a key role to play in the toolkit of every handyman. These metal spiral shafts are essential as far as boring a hole. There are various types of drill bits that enable you to place in a hole in numerous materials. In order to bore an accurate hole in the surface, you will need the correct drill bit. With so many choices, it gets difficult to choose the right one. This article highlights the several types of drill bits available on the market.

Read on to know which drill bit can be used for various materials.

Brad Point Bits

One of the most common types of the drill bit is Brad Point. The Brad point bits are available in various sizes and lengths. You can select the drill bit keeping in mind your requirements.

One of the most common types of the drill bit is Brad Point. It is a great bit for placing a hole in wood as it has a small point at the tip. There are spurs on both the sides that helps in cleanly cutting precise holes. This bit is perfect for boring holes in all kinds of woods. The Brad point bits are available in various sizes and lengths. You can select the drill bit keeping in mind your requirements.Continue reading

How to drill small holes in wood?

To drill small holes in wood you need brad point drill bits that are specifically designed for use in timber. These bits are perfect for drilling pilot holes for screws and other small holes without splintering the timber.

How to drill wood?

The brad-point bit combined with a doweling jig is the most common method and most accurate bit for drilling dowel holes. It has spirals just like an ordinary twist bit but instead of the blunt tip like a spiral bit, it has cutters with a sharp pilot bit at the end to keep it steady and correctly positioned.

Continue reading

Essential Safety Tips to remember when using a power drill

A power drill is an essential tool when working with wood and metal. It is easy to handle and makes work easier and faster. It uses electricity and may be corded or cordless. Power drills can be used to drill holes or as a screwdriver on wood and metal surfaces. It is crucial to handle this powerful tool with caution to avoid accidents that could result in injuries to your person and damage to the material you are working on. Here are some of the precautions you need to remember when working with the power drill or storing it away.

power drill, Safety Tips, drill bit, Protective clothing, drill bit grinder, drill bit sharpening machineContinue reading

Understanding Drill and Bits and Precautions to Take

Drilling is an essential part of civilized life and it is an activity we simply cannot do without. It is thus essential to understand how to drill correctly in the right place. This will ensure that we avoid complications that may arise as a result of wrong drilling as well as ensuring that we do not damage our tools and the materials we are working with. Besides ensuring that we do not incur losses from choosing the wrong drilling techniques, safety is also considered as a benefit of understanding drills and bits.

Drill bit Materials and Steels

Drilling can be done to any material and thus, the question that you should concern yourself with when choosing a bit is the material you are drilling. Almost any bit can be chosen to drill a soft material; however, the same cannot be said of brittle and hard things such as acrylic and glass which often need one to choose specifically-designed bits. Bits also differ from each other further in that they are designed differently. Some are designed to cut rough holes while others tend to lean more on clean holes as well as prioritizing accuracy and finishing. Choosing the best drilling tools to go hand in hand with your chosen bit is perhaps the last important decision you have to make before beginning to drill.

Before you begin drill bits, you should ensure that you avoid breaking a drill bit quickly by ensuring that the bit is fixed straight. This precaution can be carried out by running the drill but without drilling a hole. If the bit turns into a blurry cone or does not remain straight as it spins this would be an indicator that the bits is not straight and should thus be fixed again.

The design of most drill bits is that they spin clockwise but this is not much of a problem as a result of the presence of reversible hand drivers. You need to make sure that your shank bit will perfectly fit into the drill chuck. The shank bits are mostly either hexagon in shape or rounded. This makes the former better for drilling hard materials as they are hard to come off, while the latter is much more reliable. The speed of the drill is another thing that one needs to take into consideration especially when working on hard materials and using large bits. This demands that you practice to slow down when signs such as the presence of discolored chips and smoke become visible to you. However, most drills will not provide sufficient power when they slow down.

As a precaution, most tools you are dealing with require that you add just a little steady pressure instead of leaning in with your whole weight. If you find yourself doing the later and find that the tool is not doing most of the work by itself, then it means you are either using the wrong kind of bit to cut the material or the bit has become dull. While there is some exception of tools that do indeed demand pressure such as large forstner bits one should generally observe the above-stated precautions for other tools.

If your drill bits becomes dull, what should I do?
The drill bits grinder is the home doctor for your drill. Enter our drill bit grinders products page to understand it.

We are a professional drill bit grinder manufacturer. We have developed the production drill bit grinding machines, the quality is guaranteed, welcome to mass customization.

Best Drill Bit Sharpener Buying Guide

When you have been using your drill bits for a fairly long time, you will often realize that they are bound to wear out. When this happens, your first instinct will be to get a new set but is that decision always cost effective?
Drill Bit Sharpener Buying Guide, drill bit sharpener, best drill bit sharpener manufacturer
No of course, because there are various ways available to sharpen the bits and prolong their use. The most common of them are high-quality sharpeners in the market. All you need is to do a little homework to be sure you settle for the best. Let us consider some of the factors to consider when looking for a drill bit sharpener.
PURROS drill bit grinder product technical guidance and development drill bit grinding machine manufacturer

Continue reading

Straight shank jobber length twist drills definitions

Drill bits, Twist drills, Twist drill bits, Jobber length drill bit, end cutting tools, cutting fluids, Screw machine length drill bit, Straight Shank Drills, Taper Shank Drills, Taper length drill bit, high speed steel, HSS, drill bit grinder

Drill bits: Drill bits are tools to cut cylindrical holes on workpiece. Drill bits are generally used with drills to create a hole. The shank of the drill is holded by the chuck of a drilling machine.

Jobber length drill bit: Straight shank drills suitable for general purpose applications.The length of the flutes is between nine and fourteen times the diameter of the drill.

Twist drill bits are generally produced from high speed steel (HSS), cobalt steel alloys and tungsten carbide. Coatings are applied to drill bits to extend the life of the bit. Black oxide, titanium nitride and titanium aluminum nitride are coatings which are generally applied to drill bitsContinue reading

The sizes of the metric drill bits

Are you looking for the size of the metric drill bit?
Here is a detailed introduction. We hope we can help you. If you have a problem with the drill bit, you can also use our drill bit grinder to repair it. The size of various drills can be repaired by corresponding drill bit grinding machines.

Are you looking for the size of the standard bit? Here is a detailed introduction. We hope we can help you. If you have a problem with the drill bit, you can also use our drill bit grinder to repair it. The size of various drills can be repaired by corresponding drill bit grinding machines.

Metric drill bit sizes define the diameter of the bit in terms of standard metric lengths. Standards organizations define sets of sizes that are conventionally manufactured and stocked. For example, British Standard BS 328 defines sizes from 0.2 mm to 25.0 mm.Continue reading

Wood drill bits: spoon bits

Identical spoon bits are made use of mainly for uninteresting openings in the seat of a Windsor chair to take the back pins, or comparable round-tenon job when putting together furnishings frameworks in environment-friendly woodworking job.

When reaming a pre-bored straight-sided opening, the spoon bit is put right into the opening and also revolved in a clockwise instructions with a woodworkers’ support till the preferred taper is accomplished. When burning out right into strong timber, the little bit ought to be begun in the upright setting; after a “recipe” has actually been developed as well as the wood bit has actually started to “attack” right into the timber, the angle of boring could be transformed by turning the support a  wood drill bit from the upright. Openings could be pierced specifically, easily and also swiftly in any type of timber, at any kind of angle of occurrence, with overall control of instructions and also the capacity to transform that instructions at will.

Spoon bits are the conventional boring devices utilized with a support. They need to never ever be made use of with a power drill of any kind of kind. Their vital benefit over normal support bits and also power drill bits is that the angle of the opening could be changed. This is crucial in chairmaking, since all the angles are generally eyeballed. One more benefit is that they do not have a lead screw, so they could be pierced efficiently in a chair leg without having the lead screw peek out the opposite.

The spoon bit might be developed using a slipstone on the within the cutting edge; the outdoors side ought to never ever be touched.

Spoon bits contain a grooved shank with a factor formed rather like the dish of a spoon, with the cutting edge on completion. The even more usual kind resembles a cut little bit that finishes in a minor factor. This is practical for beginning the opening, as it has a facility that will certainly not stray or stroll. These little bits are made use of by chair-makers for boring or reaming openings in the seats and also arms of chairs. Their style is old, returning to Roman times. Spoon bits have actually also been discovered in Viking excavations. Modern spoon bits are made from hand-forged carbon steel, very carefully heat-treated and afterwards hand ground to a great side.

Types of the cutting tools (machinings)

Cutting tools with inserts (indexable devices)

Cutting tools are typically made with inserts or changeable suggestions (tipped tools). In these, the cutting edge contains a different item of product, either brazed, bonded or secured on the device body. Usual products for suggestions consist of sealed carbide, polycrystalline diamond, and also cubic boron nitride. Devices utilizing inserts consist of milling cutters (end mills, fly cutters), tool bits, and also saw blades.

Solid cutting tools

The normal device for milling as well as exploration has no unpredictable insert. The cutting edge and also the shank is one system and also constructed of the exact same product. Little devices could not be developed with exchangeable insert.

Kinds of the cutting tools (cutting machinings)

Straight cutting tools consist of tool bits (single-point cutting tools) as well as brings up. Rotating cutting tools consist of drill bits, countersinks and also counterbores, faucets and also passes away, crushing cutters, reamers, and also chilly saw blades. Various other cutting tools, such as band saw blades, hacksaw blades, and also fly cutters, incorporate facets of direct and also rotating activity.Continue reading

Introduction of different materials used for drill bits

Several products are utilized for or on drill bits, relying on the called for application. Several tough products, such as carbides, are far more breakable compared to steel, and also are much more based on damaging, specifically if the drill is not held at an extremely consistent angle to the workpiece; e.g., when hand-held.

Poly crystalline diamond, PCD, drill bits, HSS bits, High-speed steel, HSS, PCB, solid carbide bits, cutting edge, high-speed steel, carbon-steel bits, high-carbon steel, drill bit grinder


High-speed steel (HSS) is a type of steel; HSS bits are tough as well as a lot more immune to warmth compared to high-carbon steel. They could be utilized to steel, wood, as well as a lot of various other products at greater cutting speeds compared to carbon-steel bits, as well as have actually greatly changed carbon steels.

Cobalt steel alloys are variants on high-speed steel which contain even more cobalt. They hold their solidity at a lot greater temperature levels and also are made use of to stainless steel and also various other difficult products. The primary negative aspect of cobalt steels is that they are extra breakable compared to conventional HSS.

Bits made from high-carbon steel are much more sturdy compared to low-carbon steel bits because of the buildings provided by setting as well as toughening up the product. If they are overheated (e.g., by frictional while drilling) they shed their mood, causing a soft cutting edge. These could be utilized on timber or steel.

Soft low-carbon steel bits are affordable, yet do not hold a side well and also need constant sharpening. They are utilized just for drilling timber; also dealing with woods instead of softwoods could visibly reduce their life-span. You can grind the blunt bit with our drill bit grinder.


Poly crystalline diamond (PCD) is amongst the hardest of all device products and also is as a result very immune to use. It contains a layer of ruby fragments, commonly around 0.5 mm (0.020 in) thick, bound as a sintered mass to a tungsten-carbide assistance. Little bits are produced utilizing this product by either brazing little sectors to the of the to create the reducing or by sintering PCD right into a capillary in the tungsten-carbide “nib”. The nib could later on be brazed to a carbide shaft; it could after that be ground to intricate geometries that would certainly or else trigger braze failing in the smaller sized “sectors”. PCD are generally made use of in the auto, aerospace, and also various other sectors to drill rough alloys, carbon-fiber enhanced plastics, as well as various other unpleasant products, as well as in applications where equipment downtime to change or used is extremely expensive. It ought to be kept in mind that PCD is not made use of on ferrous steels because of excess wear arising from a response in between the carbon in the PCD and also the iron in the metal.

Tungsten carbide and also various other carbides are incredibly tough as well as could drill essentially all materials, while holding an edge much longer compared to various other . The product is pricey as well as a lot more weak compared to steels; subsequently they are mostly made use of for drill bit tips, tiny items of tough product repaired or brazed into the tip of made from much less difficult steel. Nonetheless, it is ending up being usual in work stores to make use of solid carbide bits. In really tiny dimensions it is hard to fit carbide tips; in some sectors, most especially PCB production, calling for numerous holes with sizes much less compared to 1 mm, solid carbide bits are utilized.