Helical Insert, UNC 1/4-20X2D, PK100, Free Running, Material 304 Stainless, Length: 0.5", Right Hand Thread Direction.
Helical Insert, Free-Running, 1/4"-20 Thrd Sz, 18-8 Stainless Steel, 100 PK These inserts can also be provided with full traceability and conformity certificates.. STI Tap size: 1/4-20. Application for Metal; High-quality wire thread inserts strengthen thread and provide for longer thread life.