Imperial 80605 Reduced Shank Drill Bit, 3/8", Black Oxide Switch Combos You can turn rounding-over bits

You can turn rounding-over bits into beading bits

and less hand fatigue

and long life

100-feet of primary wire

Imperial 80605 Reduced Shank Drill Bit, 3/8", Black Oxide Switch Combos You can turn rounding-over bitsHigh quality M 7 steel is superior to standard M 50 steel. Self centering, 135 split point eliminates center punching. Resists breakage even while drilling at difficult angles. Drills cooler will not overheat eliminates chip welding. Special design allows for easy drilling of stainless and high alloy steel. Highlights: Drill Size: 0. 4688" Overall Length: 5 3 4" Decimal Equivalent: 0. 4688" Finish: Black Oxide Grade: M7 Aerospace NAS 907B