Walter 01M544 11/16" SST+ 135° 1/2" Prentice Drill Bit

• Made with premium grade cobalt HSS to drill harder materials
• Cobalt drills can drill approximately 30% faster than HSS drills
• Special bronze SST surface treatment for extreme lubricity and life
• 1/2" reduced shank
• 3-flats shank for reduced slippage in drill chucks

Walter's SST+ 1/2" Prentice drill bits are heavy-duty large diameter 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. Plastic tube packaging. Package of 1.

Application:  For high tensile steel, fits in a 1/2" chuck

Drill Size:  11/16"

Flute Length:  3-1/8"

Overall Length:  6"

Shank Size:  1/2"

Material:  Cobalt

Finish:  Bronze Oxide

Click Here for the Walter Recommended Cutting Speed for Drill Bits Sheet
Click Here for the Walter Drill Bit Spec Sheet