Helical Insert, UNC 1 1/2-6X2D, PK10, Free Running, Material 304 Stainless, Length: 3", Right Hand Thread Direction.
STI Tap size: 1 1/2-6.Helical Insert, Free-Running, 1-1/2"-6 Thrd Sz, 18-8 Stainless Steel, 10 PK These inserts can also be provided with full traceability and conformity certificates.