UN Internal
Posithread Internal Unified (UN,UNC,UNF,UNEF) threading insert
- Full form insert to ASME/ANSI B1.1, 3M -1986 class 2B
- Insert sizing code eg 16NR 16=size of insert / N=Internal E=External / L=Left hand R=Right hand U=Left or Right Hand.
- Ground inserts for high quality thread production.
- Grade PTC2 (TiN PVD coating) P15-P35, M15-M30, K10-K20, S10-S15 and N05-H10
- Suitable for all materials including heat resistant alloys, austenitic stainless steels, hard steels and carbon steels.
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