Superior quality bits can be bought from online stores at reasonable price rates. It is important to store them in separate boxes to ensure its sharpness and usage.
One of the most useful and handy equipments include the electrical drill. There are
drill bits that can be used for different purposes. Almost twenty different types of bits can be found in many of the online and offline stores though we usually use only a few varieties.
Different types of holes need to be drilled in a home,
may it be for putting up a mirror in the bathroom, fixing cabinets in the kitchen, hanging light fittings and so forth. For all these purposes, the correct type of drill bits must be used for optimum results. The following sections will highlight some of the most important varieties of bits.
Various Types of Drill Bits
Twist bits: The most popular and common drilling tools are the twist bits. It is also known as twist drills. The twist bits can be used on plastics, timber, metal and so forth. It is usually either made of carbon steel or high speed steel (HSS). The carbon steel bits should be used on wood rather than metals as it is brittle. The HSS can be used on any type of materials as it can withstand very high temperatures.
The twist bits are designed to make small holes. Some of the twist bits are coated with titanium nitride (TIN) which is known for its lubricating property and relative hardness.
Masonry bits: Used mostly in power machines, these drill bits can be used on stones, brick, block and quarry. The tip of the masonry bit is made of tungsten carbide or a composition of silicon and bronze.
Spur point bits: This variety of drill bits are also known as dowel bit or wood bit. It has two raised spurs and a central point. The raised spurs help to keep the drill bits straight. But it should be used only on plastics and wood.
Spade bits: These drill bits have pointed tips in the center and a blade surface that is flat. Therefore it is also called as flat wood bit. It is more often used to make holes of different diameters in wood.
Countersink bits: These bits are usually used on wood to form a recess so that the countersunk screws can sink into the wood.
Tile bits: One of the most useful tools to make holes on tiles and glass. It has a tungsten carbide tip and appears like a long finishing nail.
Forstner bit: These bits are usually used for hinges in kitchen cupboards. It is used to make holes with flat bottoms for cabinetry and furniture.
Hole saw bit: Mainly used to make holes in plastic and wood, these bits cut deep. Bits which cut different dimensions are also available.
Wood auger bits: These particular drill bits can be used only in hand equipments rather than machine drills. Deep holes with large diameters can be easily made on wooden planks and boards with the wood auger bits.
