Master Mechanic 504704 High Speed Steel Drill Bit, Black Oxide, 1/2" x 12"

This black oxide drill bit provides good performance in soft metal, low alloy steel, plastic and wood. 135° point angle with 4 cutting edges which eliminate walking & provide fast penetration. Black oxide tempering treatment reduces frictional resistance & improves chip flow. For occasional use in stainless steel & other hard metals.

• 1/2" x 12"
• Extra length
• High speed steel
• 135° point angle with 4 cutting edges which eliminate walking & provide fast penetration
• Black oxide tempering treatment reduces frictional resistance & improves chip flow
• Recommended for wood, plastic, wallboard, plywood & soft metals, aluminum, brass, & bronze
• For occasional use in stainless steel & other hard metals
• Carded.

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