The short length enables shallow embedment that helps avoid drilling into rebar or prestressing strands

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#58 Heavy Duty Jobber Drill Bit

7/8-14 x 3 Hex Cap Screw SS 18-8 (A2)

7/32 x 12 High Speed Aircraft Bit Cobalt

3/4 x 12 High Speed Long Boy (1/2" Shank) 5/8-11 A307 Grade A Carriage Bolts Hot Dipped Galvanized The short length enables shallow3 4 x 12 High Speed Long Boy (1 2" Shank) . Straight shank to 1 2 1 2 reduced shank for sizes above 1 2 M2 high speed steel Sharp cutting edge to drill in many different materials: Mild Steel Cast Iron Aluminum Wood Extra length flute with continuous cutting edges for drilling deep holes and fast chip removal Reduced shank fits all drill motors with 1 2 chucks Non slip grip prevents the bit from spinning in the chuck