Grinding drill bit: The cutting tool used most often in the drill press are twist drills. The flutes of the drill are spiral shape and as well as carrying savings away from the cutting edge, they actually from the cutting edges of the drill. As with any other cutting edges of the drill. As with any other drill cutting tool the drill has cutting tool the drill has cutting angles clearance angles and rank angles these angles may need to be changed for the drill to be used on some materials such as gray cast iron, alloy steels or plastics. Precautions of a grinding Machine: i. Must always safety glasses of the operation duration. ii. One should be learnt how to test a wheel for soundness before mounting it. iii. The work should not be measured before a revolving wheel.
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