High-Speed Drill Bit, Black Oxide, 7/16 x 5-1/2-In. Brand_Master and two 10 ft

and two 10 ft

5/32” or 3/16” diameter

check valve

ll brass body with chrome plated rim

The non-toxic chemically impregnated test pads

High-Speed Drill Bit, Black Oxide, 7/16 x 5-1/2-In. Brand_Master and two 10 ftMaster mechanic, 7 16" x 5 1 2", high speed steel, black oxide drill bit, 135 split point, jobber length, 3 8" 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.