Manufactured from heat treated alloy steel

1/4 x 3 Mushroom Spike 316 SS (100)

3/4-10 Cap Nut 18-8 SS

Hex Lag Screws are manufactured from low carbon steel to meet SAE J429 Grade 1

1/2-20 x 7 Hex Cap Screw SS 18-8 (A2) USS Flat Washers Zinc Plated Manufactured from heat treated alloy1 2 20 x 7 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