Grade 2 Finished Hex Nuts are manufactured from low carbon steel

1-8 x 8 Grade 5 Hex Cap Screw Zinc Plated

39/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

This combination of features makes the 2-4 1/2 Grade 2 finished hex nut zinc plated an excellent choice for reliable fastening needs

3/4-10 x 2 1/2 Hex Sleeve Anchor Zinc Plated (10)

7/16 Cobalt Heavy Duty Jobber Drill Bit (6) M20-2.50 Hex Cap Screws DIN 933 18-8 Stainless Steel (A2) Grade 2 Finished Hex Nuts7 16 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.