Premium (Made in US) Industrial Grade Cobalt Drill Bit, Size # 11, Pack of 12
- Size 11, Decimal Equivalent .1910
- Flute Length 2 5/16
- Overall Length 3 1/2
- 135° Split point
- Made in the USA
Industrial Grade Jobbers Length Cobalt Drill Bits. Cobalt drills are especially effective in drilling hard or abrasive materials such as high tensile materials such as stainless steel, titanium and cast iron.