16ERB Whitworth Threading Inserts Grade QMA

Whitworth, External Right Hand

A full range of sizes are available on request.

Insert Grade Description:
QMA (P20-P40/K20-K30) Coated. Sintered chipbreaker with a multi layer TiALN PVD coated sub-micrograin grade. Provides high quality threads for most materials including exotic alloys and stainless steels. Best performance is achieved at medium to high cutting speeds.