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5/8-18 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated
7/8-14 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated
1/2-13 x 10 Grade 5 Hex Cap Screw Zinc Plated
3/4-10 x 7 Grade 5 Hex Cap Screw Zinc Plated
304 and 305 series stainless steels so 18-8 is used at times to designate any and all of those alloy groups
5/8-11 x 4 Hex Cap Screw SS 18-8 (A2) 9/16-12 Grade 8 Hex Cap Screws Yellow Zinc Plated 5/8-18 x 6 Grade 85 8 11 x 4 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 pressure