Thread advances as bolt is rotated clockwise

Thread advances as bolt is rotated anticlockwise

Bolt has to be tightened by left hand only

None of the above

1 mm

2 mm

3 mm

4 mm

minor diameter

major diameter

pitch diameter

trough of the thread

finish required

type of drill material

Material to be drilled

All of the above

Cooling is ineffective

drill is not sharp

Clearance angle is incorrect

Any of the above