Flat countersunk head with self-countersinking nibs

1/4-20 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (900)

5/8-18 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

00 x 110 Socket Cap Screw 12

1/2-13 x 8 1/2 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor 316 Stainless Steel(25)

3/4-10 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25) Grade 2 Square Nuts Hot Dipped Galvanized Flat countersunk head with self-countersinking3 4 10 x 2 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (25). 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