question 21 (1 point)\nwhich of the following represents a counter bored hole?
question 21 (1 point)\nwhich of the following represents a counter bored hole?
Answer
Brief Explanations:
A counter - bored hole has a cylindrical recess at the top of a drilled hole to accommodate the head of a socket - head cap screw or other fasteners. Option E shows a hole with a larger - diameter cylindrical section at the top of a smaller - diameter drilled hole, which is the characteristic of a counter - bored hole.
Answer:
e) E