5/16-18 x 7/8 Grade 8 Hex Cap Screw Plain Domestic USA (100)

1 1/8-12 x 3 1/2 Socket Cap Screw Alloy

round head split anchor

Suitable for medium alloyed materials and stainless steel

Hardness of RC 48-45

3/8-24 x 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (1100) Flat Washers Silicon Bronze 5/16-18 x 7/8 Grade 83 8 24 x 3 4 Grade 5 Hex Cap Screw Plain Domestic USA (1100). Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of