Spiral Point Tap: #4-40 UNC, 3 Flutes, Plug Chamfer, H7 Class of Fit, High-Speed Steel-E, TiN,CrC MPN:6474974

This spiral point tap by Widia is the ultimate solution for machinists needing high precision internal thread formation with unsurpassed wear resistance suited to rigorous industrial applications in industries ranging from automotive, aerospace, to heavy-duty manufacturing due to its H7 class of fit offering superior thread consistency on demanding materials. The triple flutes deliver clean cutting action ensuring quicker penetration through various metals while the plug chamfered end prevents damage or walking while in use. Engineered with high-speed steel e that is further enhanced by TiN, CrC coating offering protection against wear while increasing its lifespan rendering it essential for applications requiring top tier durability and precision results from internal threading operations.