1 1/4-7 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (6)

3/8-16 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

1/2 x 18 High Speed Aircraft Bit

1 1/4-7 x 3 3/4 Socket Cap Screw Alloy

1/4-28 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (450) 3/4-10 Socket Cap Screws 18-8 Stainless Steel 1 1/4-7 L9 Hex Collar1 4 28 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (450). 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