split bolt anchor

11/64 Heavy Duty Jobber Drill Bit

3/4 x 18 Hex Lag Screw Hot Dipped Galvanized

13/32 Cobalt Heavy Duty Jobber Drill Bit

5/8-11 x 5 Hex Cap Screw SS 316 (A4)

15/64 Cobalt Heavy Duty Jobber Drill Bit (12) 9/16-12 Grade 8 Hex Cap Screws Yellow Zinc Plated split bolt anchor15 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.