Q62
A twist drill is specified by its
A.
Shank, material and diameter
AnswerB.
Shank, lip angle and size of flute
C.
Material, length of body and helix angle
D.
Any one of these
Answer: Option A
Solution
Answer: Option A
Solution:
A twist drill is a rotating cutting tool, used for cutting holes in rigid materials which is consists of an essentially conical point, relieved and fluted to form cutting lips, and spiral flutes which direct the chips away from the lips and toward ejection from the hole.
It is specified by it's shank, material and diameter.