Sst+ 135° 1/2in. Prentice, 19/32 In. X 3-1/8 In.

SST+ 1/2" Prentice are heavy-duty large diameter drill bits for use in portable drills, drill presses and magnetic base drills with 1/2" chuck capacity. Their extra hard tips allow for the drilling of many more holes between re-sharpenings. They are made with a cobalt blend for longer life.Features:Made with premium grade cobalt HSS to drill harder materialsSelf centering 135° split-point for reduced thrust requirements and minimized walkingCobalt drills can drill approximately 30% faster than HSS drillsSpecial bronze SST surface treatment for extreme lubricity and life1/2" reduced shank3-flats shank for reduced slippage in drill chucksSpecifications:Material: CobaltPoint: 135°Point Type: Split PointShank Type: Reduced ShankSize System: FractionalFinish: Bronze OxideSize: 19/32"Flute Length: 3-1/8"Overall Length: 6"