• Thread Size (Inch): 1-1/2"-6
• Chamfer: 4.5P
• Finish/Coating: Black Oxide
• Material: HSSE-V3
• Through Coolant: No
• Thread Direction: Right Hand
• Thread Limit: H4
• Number of Flutes: 4
HSSE-V3% Vanadium • Superior performance in hardened tool steels such as 4140, 4340, H13, D2. • Up to 35 HRC Designed for high-speed tapping applications. Developed to withstand the high stress and high heat associated with high-speed CNC production tapping. Features a unique free-cutting design with a special tempering and geometry which contributes to extra tool life.