#1 square drive trim head

10-16 x 4 Phillips Drywall Self Drill Screw Zinc Plated (1000)

fine threads and the self drilling tip make these screws ideal for penetrating and holding into metal framing studs and other types of metal or aluminum framing

1/2-13 x 5 1/2 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor Zinc Plated (25)

9/16-12 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (800)

1/2-13 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (150) Square Trim-Head Wood Decking Screws 316 Stainless Steel #1 square drive trim head1 2 13 x 3 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (150). Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1 4