This is a IMPA 693883 HELI-SERT STAINLESS STEEL M20 x 2,5 LENGTH 40mm. It is made of stainless steel and is 40mm long. It is used to insert a threaded insert into a pilot hole.
The IMPA 693882 HELI-SERT STAINLESS STEEL M20 x 2,5 LENGTH 30mm is a high-quality stainless steel insert that is designed for use in helicopters. It is made of grade 5 stainless steel and is 30mm...