11/64 Heavy Duty Jobber Drill Bit

3/4-10 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated

Minimum: 3

3/8-16 x 5 Flat Sleeve Anchor Zinc Plated (50)

split bolt anchor

15/64 Cobalt Heavy Duty Jobber Drill Bit (12) 9/16-12 Grade 8 Hex Cap Screws Yellow Zinc Plated 11/64 Heavy Duty Jobber Drill15 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.