1-8 x 7 Socket Cap Screw Alloy

5/8-11 x 10 A307 Grade A Carriage Bolt Zinc Plated

Manufactured from heat treated alloy steel

7/8-9 x 6 Socket Cap Screw Alloy

5/8-11 x 6 1/2 Hex Cap Screw SS 18-8 (A2) 3/4-16 Socket Cap Screws Alloy 1-8 x 7 Socket Cap5 8 11 x 6 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