the Alligator anchors expand to allow for better weight distribution

1/4-20 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (100)

1-14 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (10)

50 x 100 Socket Cap Screw DIN 912 18-8 (A2) Stainless Steel

5/8-11 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (80) 7/16-14 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA the Alligator anchors expand to5 8 11 x 4 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (80). 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