A307A Hex Tap Bolts are manufactured from low carbon steel

By utilizing a reliable Alligator anchor to supplement your screws

1/2 x 5 Titen HD Concrete Anchor Mech Galvanized (20)

7/16 Heavy Duty Jobber Drill Bit

1/2 Heavy Duty Jobber Drill Bit

23/64 Cobalt Heavy Duty Jobber Drill Bit (6) Cap Nuts 18-8 Stainless Steel A307A Hex Tap Bolts are23 64 Cobalt Heavy Duty Jobber Drill Bit . Heavy duty construction made to Type J aircraft specifications. Used for drilling holes in hard, tough materials such as stainless steel, titanium, high temperature and high strength alloys. High red hardness of cobalt permits speeds 30% greater than standard heavy duty split point (HSS) drills.