Walter Surface Technologies SST+™ 01M540 Fractional Heavy Duty Prentice Jobber Length Drill Bit, 5/8 in Drill - Fraction, 135 deg Point, Cobalt, Bronze Oxide
01M540
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
- Three-flats on shank prevent slippage inside chuck
- Exclusive point geometry eliminates predrilling
- Self centering 135 deg split-point for reduced thrust requirements and minimized walking
- Cobalt drills can drill approximately 30 Percent faster than HSS drills
- Special bronze SST surface treatment for extreme lubricity and life
Specifications
| Finish | Bronze Oxide |
| Overall Length | 6 in |
| Material | Cobalt |
| Type | Fractional Heavy Duty Prentice |
| Shank Size | 1/2 in |
| Applicable Materials | High Tensile Steel, Mild Steel, Non-Ferrous Metal and Stainless Steel |
| Cutting Edge Material | HSS |
| Cutting Direction | Right Hand |
| Drill Diameter Measurement System | Imperial |
| Drill Size - Fraction | 5/8 in |
