Power, Air, and Hand Tools and Accessories

BLACK OXIDE PRO GRADE DRILL BIT 7/16in. MADE IN THE U.S.A. - DRILL BITS BLACK OXIDE PRO GRADE. BLACK OXIDE DRILL BITS ARE MANUFACTURED FROM INDUSTRIAL HIGH SPEED STEEL SURFACED TREATED FOR HIGH PERFORMANCE AND LONG LIFE. DESIGNED TO DRILL COMMON STEEL (FLAT BAR SINGLE IRON TUBING) WOOD AND PLASTIC. NO CENTER PUNCH NEEDED: CENTURY QUICK-CUT POINTS ARE SELF CENTERING AND PENETRATE FASTER WITH LESS PRESSURE WILL NOT WALK OR WANDER AT THE STARTING SURFACE. MANUFACTURED TO AEROSPACE NAS 907-B SPECIFICATIONS.