Straight Flute Taps, Tap Type: Machine , Thread Size (Inch): 1-1/2-8 , Overall Length (Decimal Inch): 6.3750 , Thread Standard: UNC , Chamfer: Bottoming MPN:2750667

This premium high-speed steel straight flute tap from Criterion Tools is specifically designed to satisfy the needs of professionals working on Unified Coarse (UNC) threaded rods, bolts or screws; featuring a standard bottoming chamfer and 1/4 - 28 NCU thread. Offering exceptional hardness coupled with high durability, these precision-crafted tools are optimized for drilling into both soft and tough materials such as steel, brass, aluminum or titanium while maintaining an exact pitch of 1/4-20 UNC threads. Ideal for use in aerospace engineering firms, automotive workshops and precision manufacturing plants where cutting edges must hold their sharpness after multiple thread starts - these straight flute taps assure top-performing hole creation without generating burrs or damaging scrapes during usage.