Technical Drawing - 2D Drawing Representation - Discussion

Discussion Forum : 2D Drawing Representation - General Questions (Q.No. 1)
1.
This is a conical-shaped recess around a hole, often used to receive a tapered screw head:
Boss
Spotface
Counterbore
Countersink
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Deepak sharma said:   9 years ago
Please explain that question in a simple way.

Suprith h s said:   10 years ago
Enlarge and bevel the rim of (a drilled hole) so that a screw, nail, or bolt can be inserted flush with the surface.

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