Answer is:
Helical grooves
Explanation:
A screw thread is formed on a cylindrical surface by cutting Helical grooves on its surface.
Answer is:
Tapped hole
Explanation:
A drilled hole after tapping is called as tapped hole.
Answer is:
Round
Explanation:
The root of ISO metric thread is round
Answer is:
Electrical goods
Explanation:
B.S.F screw threads are generally used for Electrical goods.
Answer is:
Thread rolling
Explanation:
Screw threads are produced without metal removing by a process called as Thread rolling
