Master Mechanic 119917 Black Oxide Jobber Length Drill Bit, 5/32" x 3-1/8"

Last 3X longer than high speed drill bits. 135 point angle with 4 cutting edges which eliminate walking and provide fast penetration. Black oxide tempering treatment reduces frictional resistance and improves chip flow. Recommended for wood, plastic, wallboard, plywood and soft metals aluminum, brass and bronze. For occasional use in stainless steel and other hard metals.

• Master Mechanic
• Drill bit
• Jobber length
• Straight shank
• Last 3X longer than high speed drill bits
• 135 point angle with 4 cutting edges which eliminate walking and provide fast penetration
• Black oxide tempering treatment reduces frictional resistance and improves chip flow
• Recommended for wood, plastic, wallboard, plywood and soft metals aluminum, brass and bronze
• For occasional use in stainless steel and other hard metals.

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