Patent classifications
B
B21
B21K
1/00
B21K1/44
B21K1/46
B21K1/50
B21K1/50
ROLLED-THREAD BOLT PRODUCTION METHOD
A rolled-thread bolt production method includes: forming a steel wire into a workpiece having a prescribed unthreaded-bolt shape; forming a threaded-portion on the workpiece through thread rolling; and performing shot blasting on an entire surface of the workpiece after forming the threaded-portion.
ROLLED-THREAD BOLT PRODUCTION METHOD
A rolled-thread bolt production method includes: forming a steel wire into a workpiece having a prescribed unthreaded-bolt shape; forming a threaded-portion on the workpiece through thread rolling; and performing shot blasting on an entire surface of the workpiece after forming the threaded-portion.