shearing
extrusion
shearing and extrusion
shearing and compression
Sensitive drilling machine
Radial drilling machine
Gang drilling machine
Deep hole drilling machine
Morse taper
Seller's taper
Chapman taper
Brown and Sharpe taper
smoothing and squaring the surface around a hole
sizing and finishing a small diameter hole
producing a hole by removing metal along the circumference of a hollow cutting tool
cutting helical grooves on the external cylindrical surface
making a cone-shaped enlargement of the end of a hole