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Walter Surface Technologies
Sst+ 135° 1/2in. Prentice, 39/64 In. X 3-1/8 In.
Sst+ 135° 1/2in. Prentice, 39/64 In. X 3-1/8 In.
Mfr. Model #
01M539
|Item #
10319780
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Product information
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: 39/64"Flute Length: 3-1/8"Overall Length: 6"
Features
- Drills more holes, faster
- 3 flats on shank prevent slippage inside chuck
- Exclusive point geometry eleminates pre-drilling
- Special bronze SST surface treatment
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