Uses And Care Of The Drill Bits

Drill bits, the most important part of any drill machine is used to bore cylindrical holes in different materials like metal, wood, plastics, etc. As per your requirement you can make the choice of drill bits. Although, most of these are abundantly available in the market with eye catching price tags, the decision should be made based on several factors.

This article discusses these aspects in detail.If you are looking for a few quick useful tools a set of steel twisted bits and a few masonry bits would be enough but if you are working on the floor then you would require bits which are larger and or designed for a specific purpose/material.

We come across many types of bits designed for a specific purpose. One such bit is the steel twist bits. The twist bits can be used for wood, plastic and similar material and are also useful while drilling metal sheets. The twist steel bits are mostly made up of either High Speed Steel or Carbon Steel. Both the drill bits serve a different purpose like the carbon steel drill bit is used for drilling wood and not metal.

The steel twisted bits coated with Titanium Nitride (TiN) are also available. These bits exhibit a typical gold like color. This coating provides the bit more hardness and also a self-lubricating property. This bit should only be used for drilling metal and not any other material. As these bits are thin and brittle Special care should be taken when using the smallest. Always hold the drill square to the work and apply only light pressure when drilling.

You can use a drill sharpener, a grindstone jig or an oilstone to do this for sharpening the blades. Sharpening the blades or drilling areas regularly keeps the bits in shape and hence is cost effective. But while sharpening the twist bits special care should be taken as titanium nitride coating can be destroyed. By forming a correct angle at the tip while drilling you can extend the life of your bits.

There are a variety of drill bits for different purposes. Some of them we can enlist here to give you a broad idea. The types of drill bits are:

Metal Drills
Ejector Drill
Core drill
Left-hand bit
Countersink bit
Indexable drill
Spade Drill
Trepan
Twist drill
Gun drill
Center drill

Wood Drills
Lip and spur drill
Spade bit
Brace drill bit
Auger bit
Gimlet bit
Step bit
Forstner bit
Hinge sinker bit
Adjustable Wood Bit

Other Materials
Diamond core bit
Masonry drill
Hole saw
PCB through-hole drill
Installer bit

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