1/2" SCREW, MACHINE LENGTH DRILL BIT TYPE 135-AG

Special Hi-Moybdenum tool steel. Gold surface treated body and clearance for maximum lubricity. Heave-duty construction, 135 degree split point, no center punch needed, will not walk. Recommended for work hardening grades of stainless steel and other hard metal drilling applications. Type 135-AG. 1/2" Diameter. 3 3/4" Overall Length. 2 1/4" Flute Length.

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