5/16-18 UNC 6 O.A.L. Yellow Ring HSSE-V3 Spiral Flute Taps
Developed to withstand the high stress and high heat associated with high-speed CNC production tapping.- Up to 35 HHRC Designed for high-speed tapping applications. HSSE-V3% Vanadium - Superior performance in hardened tool steels such as 4140, 4340, H13, D2. Features a unique free-cutting design with a special tempering and geometry which contributes to extra tool life.