1 Flat Washer Silicon Bronze

1-8 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated

1-12 x 4 Socket Cap Screw Alloy

1/4 x 2 Nailon™ Anchor Mushroom Zinc Plated (100)

2-4 1/2 Grade 2 Finished Hex Nut Zinc Plated

5/8-18 x 7 1/2 Hex Cap Screw SS 18-8 (A2) 3/4 Hex Lag Screws Zinc Plated 1 Flat Washer Silicon Bronze5 8 18 x 7 1 2 Hex Cap Screw SS 18 8 (A2) . 18 8 stainless steel hex cap screws will have a typical composition of 18% chromium and 8% nickel. These percentages exist in 303, 304 and 305 series stainless steels so 18 8 is used at times to designate any and all of those alloy groups. 18 8 stainless steel offers good corrosion resistance and machines easily but will over time stain in coastal environments. They are also acceptable for use in ACQ