A drill mainly used in drilling brass, copper or softer materials, is

1.	A drill mainly used in drilling brass, copper or softer materials, is
A.	Flat drill
B.	Straight fluted drill
C.	Parallel shank twist drill
D.	Tapered shank twist drill
Answer» C. Parallel shank twist drill

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A drill mainly used in drilling brass, copper or softer materials, is

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