5/16" 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. 5/16" Diameter. 2 13/16" Overall Length. 1 5/8" Flute Length.

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