porcelain tile drill bit

Usage and classification of drill bits

1, center bit: general this type of bit is used for drilling before the center point, the front cone has 60°, 75°, 90°, etc., in order to use the tail seat support in lathe operations, holding should use 60° center drill and lathe tail seat center 60°.

2, twist bit: this bit is the most widely used in industrial manufacturing.

3, super hard bit: because the front end of the drill body or all made of super hard alloy cutting material, so, generally used for drilling materials processing.

4, oil hole drill bit: this drill body has two small holes, through which the cutting agent reaches the cutting edge part, to take away heat and chips, the use of this drill bit generally work rotating, while the drill bit static.

5, deep hole drill: this drill is first used for drilling barrel and stone casing, also known as barrel drill. The deep hole bit is of a groove type, with more than a quarter of the bit cut off in a round tube to produce cutting chip removal.

Welcome to Behappy Crafts, we are the professional manufacturer of power tool accessories, we are specialized in drill bits, hole saw, cutting discs, etc. We produce various types of twsit drill bits, HSS4241, HSS4341, M35, M2, etc for metal working. Our Hss Co Twsit drill bits can be used to drill holes on stainless steels, fast working and dural to use. We can do the different surface treatment for the drill bits, like bright finish, tin coated, amber finish as per request.  We can also customize customers logos on the twist drill bits and package. So Weclome to visit us and start our cooperation soon. 

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