Spiral Flute Tap: #4-40, UNC, 3 Flute, Bottoming, 2B & 3B Class of Fit, Vanadium High Speed Steel, Oxide Finish MPN:5703876

A high-quality tap perfect for your projects this #4-40 unified national coarse pitch spiral flute tap comes with 3 flutes to easily remove chips and maintain cutting edge; designed for metalworking, hobbyists or model makers requiring precision threading jobs. Made from durable vanadium high speed steel that resists wear and extends its longevity, it's coated in an oxide finish to reduce friction during use. With a bottoming style tip specifically engineered for creating the final threads on internal holes or blind holes while leaving burr-free results. You can depend on this versatile spiral flute tap as a top choice when tackling demanding projects order yours today!