13/32" Cobalt 135-Jobber Bit Engine Mechanical Made of heat-treated alloy steel

Made of heat-treated alloy steel

5' leads made from heavy duty

Includes 1-3/16 in

so the window is always visible

13/32" Cobalt 135-Jobber Bit Engine Mechanical Made of heat-treated alloy steel13 32" Cobalt 135 Jobber Bit Features and Benefits: Constructed of M 35 5% cobalt high speed steel for super abrasive resistance in tough metals Heavy duty spiral flute design produces faster chip ejection Shorter cutting lips reduce torque when drilling in high tensile strength materials 135 degree split point reduces feed pressure for easier penetration without work hardening IRWIN offers a complete line of Metal Twist Drill Bits, including Black