#15 Heavy Duty Drill Bit - Stubby Length

#5 x 6 High Speed Aircraft Bit Cobalt

1/2 x 10 1/4 ITM SDS Plus Hammer Drill Bit

Hardness for plain and zinc plated washers is HRC 38-45 and HRC 26-45 for hot-dip galvanized washers per ASTM F436

The anchor is designed for use in solid base material such as concrete

3/8 x 12 High Speed Long Boy Flat Split Drive Anchors Zinc Plated #15 Heavy Duty Drill Bit3 8 x 12 High Speed Long Boy . 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