18% chromium and 8% nickel for good corrosion resistance

1-14 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

make sure you choose the carefully curated selection of high-quality fasteners you’ll find with us

For diameters under 1 ½ inches

7/8-9 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/16 Cobalt Heavy Duty Jobber Drill Bit (12) Cap Nuts Nickel Plated 18% chromium and 8% nickel3 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.