Diamond Drill Bit

Drill bit is a cutting tool which is put in front of a drill and is used to make cylindrical holes in wood, glass, porcelain, metal or concrete.The drills are used by masons or any other person for that matter foruse in woodworking, metalworking or even at home for do it yourself items.

There are various types of drill bits available in the market which can vary by the design of the cutter or the size of the cutter. The other end of the drill bit which is used for inserting it into the drill is
known as shank.

The most widely used type of drill is the twist drill used for drilling holes in metal, plastic or wood. The other most common types are the gun drills, or the center drills. The Center drills are used for providing a starting hole for a larger sized drill. There are other varities of drills which are specifically used for metal drilling.

The other drill bit which is common is the core drill bit which is used to enlarge an existing hole. The name may be confusing for the core drill bit a bit because it was named so since it was used for drilling a hole in a foundry core.

A diamond core drill bit is used for cutting a cylindrical core, cutting an annulus in the work piece and the diamond drill bit is cylindrical.

The diamond core drill though similar to reamers are different in a way that they can actually make an existing hole to almost double the size, if needed whereas reamers shave off only .1 millimeter to a maximum of one millimeter.

The other types of drills for use are masonry drills, diamond bit, well drilling etc.