Helicoil threaded insert is a kind of threaded fastener,made by high precision, good quality diamond wire stainless steel. Helicoil is an international well-known brand.One of the best female strengthening, tighten and locking solution, originating in the United States, is the only admit the MASA brand of threaded inserts.The hand tool of Helicoil threaded inserts is made by a threadedspindle and a drive which had been patent authorised.using for insert inserts effectively.

Hand tools  for Helicoil threaded inserts (Metric)