_ The relief or clearance at the cutting edge of a flat drill varies f

1.	_ The relief or clearance at the cutting edge of a flat drill varies from$?
A.	3¬¨‚àû to 8¬¨‚àû
B.	20¬¨‚àû to 30¬¨‚àû
C.	60¬¨‚àû to 90¬¨‚àû
D.	90¬¨‚àû to 120¬¨‚àû
Answer» B. 20¬¨‚àû to 30¬¨‚àû

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_ The relief or clearance at the cutting edge of a flat drill varies from$?

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