1-14 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/8 x 4 Titen HD Concrete Anchor Zinc Plated (50)

7/8-14 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

27/32 x 6 Reduced Shank Drill Bit (1/2 Shank)

#11 Heavy Duty Jobber Drill Bit

31/64 Cobalt Heavy Duty Jobber Drill Bit (6) 5/8-11 Socket Cap Screws 18-8 Stainless Steel 1-14 x 4 1/2 Grade31 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.