Thread insert 16ER 16IR 22ER 22IR TR 1.5 2 3 4 5 6 turning tool SER rod internal and external screw thread insert For steel part

Thread insert 16ER 16IR 22ER 22IR TR 1.5 2 3 4 5 6 turning tool SER rod internal and external screw thread insert For steel part

Aliexpress UK