Brownells Solid Carbide Ball End Mill 5/16" Four-Flute

Four-flute, center-cut design produces smooth cuts and allows plunge cutting to eliminate pre-drilling. Right-hand cut, right-hand helix. Use in right-hand turning equipment. Single-ended. Premium, high feed rate carbide for hardened steels. Mfg: Brownells SPECS: Shank dia. is same as cut dia. Overall lengths from 2A 1/2'''' (6.35cm) to 3'''' (7.62cm). A 1/4'''' (6.35mm) dia. x .750'''' (19mm) long cut. 5/16'''' (7.9mm) dia. x .812'''' (20.6mm) long cut. 3/8'''' (9.5mm) dia. x .875'''' (22.2mm) long cut.