Description

Carbide Spot Weld Drill Bits for Boron Steel, Made of tungsten carbide, 3 flutes and special multi-layer coating, Designed to cut spot welds from ultra high strength/boron steel, Three cutting edges help spread cutting forces over a greater area preventing premature breakage, ALTiN coating eliminates need for lubrication, Recommended RPM: 900 – 1,000 Max. Diameter 8.0mm, Approx. Spotweld Size 5/16″, Overall Length 1.75″, Flat Length Inches 0.750″,  Style Flat On Shank

Units Per Pkg: 1