Straight Flute Tap: 3/8-16 UNC, 4 Flute, Plug Chamfer, 3B Class of Fit, HSS, Bright/Uncoated Finish MPN:10423-00-B

These 5/8 diameter high-speed steel counterbores feature an 820 included angle and 4 flutes for fast material removal during operation. The 0.625 head diameter ensures a precise finish after countersinking. The tool is ideal for use in automotive, aviation, or general manufacturing industries when mounting threaded components or assembling hardware into metal surfaces requiring clean, even entry points. Its robust construction and multiple flutes minimize slippage, ensuring uniform chamfering along the entire cut length.