10 x 2 1/2 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1000)

When used with castle or slotted nuts

8 x 2 1/2 Phillips Bugle Decking Screws W

1/2 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (2600)

1/4-28 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1/4-20 x 5 Grade 5 Hex Cap Screw Plain Domestic USA (400) STRONG-BOLT 2 Cracked Concrete Wedge Anchors 316 Stainless Steel 10 x 2 1/2 Simpson1 4 20 x 5 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