15. What are functions of the following parts of a drill bit. a) body, b) web, c) point, d) tang, e) margin, f) flutes,
Posted: Fri Apr 29, 2022 9:58 am
15. What are functions of the following parts of a drill
bit.
a) body,
b) web,
c) point,
d) tang,
e) margin,
f) flutes,
g) body clearance.
16. What will happen if a drill bit has unequal angles on the
cutting edges/lips? What if the edges are not of equal length?
17. Why should most holes be started with a center drill?
18. What is the purpose of pilot holes?
19. What is the main difference between boring and reaming?
bit.
a) body,
b) web,
c) point,
d) tang,
e) margin,
f) flutes,
g) body clearance.
16. What will happen if a drill bit has unequal angles on the
cutting edges/lips? What if the edges are not of equal length?
17. Why should most holes be started with a center drill?
18. What is the purpose of pilot holes?
19. What is the main difference between boring and reaming?