Full set thread plug and thread ring verify gauge. so easy to know the thread size and pitch in just a box set. Inch and mm size available with different coating colour. save money to keep stock for so many set of go & no go thread gauge.
Full set thread plug and thread ring verify gauge. so easy to know the thread size and pitch in just a box set. Inch and mm size available with different coating colour. save money to keep stock for so many set of go & no go thread gauge.