50) A hole of 10 mm diameter is to be finished with a hand reamer. The hole size required for reaming should be
Related Cutting Tools MCQ - Machinist(Set-1) with Answers
Counter-boring is the process of enlarging the end of an existing hole to accommodate the head of socket screw.
Countersinking is an operation of bevelling the end of a drilled hole. The tool used is called a countersink.
The working surface of the job and the bottom surface of cutting edges of chisel
For conduit and other thin tubing, sheet metal work etc. use a 0.8 mm pitch.