9/16-12 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (25)

316 series stainless steel differs from 18-8 by its molybdenum content (2-3%) and a higher nickel content (10-14%)

1/4-20 x 3 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1/4-28 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

increasing follow-up expansion should the hole increase in size as a result of a crack

1/2-20 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (400) Nylon Insert Locknuts 18-8 Stainless Steel 9/16-12 L9 Hex Collar Locknuts1 2 20 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (400). 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 120,000