+86 18969314912
-
bolt and nuts 
bolt and nuts -
bolt and nuts
A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, an
A bolt is a form of threaded fastener with an external male thread.
Bolts are thus closely related to, and often confused with, screws.
Contents
1 Bolts vs. screws
2 Bolt heads
3 Bolt types
