UN (UNC UNF) Thread Mills Solid Carbide Thread Mills Cutwel
2xD Max Thread Depth. For Internal Machining. For UN (UNC/UNF) threads. Ideal for Steel, Stainless Steel, HRSA's, Cast Iron NonFerrous. Miniature Style Micro Mill (3 Tooth) Made from Micrograin Solid Carbide. TNF coating prevents built up edge improves thread quality. Suitable for left hand right hand threads.