Countersinking is also frequently performed to create a ____ at the opening of a hole to allow easier entry of pins, aid in starting taps, and for deburring.
A) flute
B) chamfer
C) root
D) crest

Question

Quizplus · Accepted Answer

Chamfering is the process of creating a beveled edge or angled cut at the opening of a hole or on the edge of a workpiece. This is commonly done in countersinking to allow easier entry of pins, aid in starting taps, and for deburring. A flute is a groove or channel in a cutting tool, a root and crest are terms used in gear systems.

Countersinking Is Also Frequently Performed to Create a ____ at the Opening