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Drill Bit, Black Oxide, 15/64 x 3-7/8-In.

Drill Bit, Black Oxide, 15/64 x 3-7/8-In.

Master Mechanic



Master Mechanic, 15/64" x 3-7/8", 4341, High Speed Steel, Black Oxide Drill Bit, 135 Split Point, Jobber Length, Straight Shank, 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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