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COBALT 45 DEG. CHAMFERED HOLES TO-BE-TAPPED


COBALT 82 DEG. FLAT HEAD MACHINE SCREW CLEARANCE HOLES


HS METRIC STANDRED STEP DRILLS


HS STEP DRILLS FOR DRILLING AND C'SINK 82DEG FLAT HEAD MACHINE S


HS STEP DRILLS FOR DRILLING AND COUNTERBORING CAP SCREW