The Spike® anchor is formed with an "s" shaped configuration at the working end of the anchor to create an expansion mechanism

10 x 5 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (500)

5/8 x 5 Cotter Pin Plain Steel

1 1/4-12 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (6)

1 1/4-7 x 4 Socket Set Screw Cup Point Alloy

1/4-20 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (100) 1 3/4-5 Socket Cap Screws Alloy The Spike® anchor is formed1 4 20 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (100). 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 to