The nylon flange head adds stability in hollow surfaces

5/8-11 x 10 Simpson Wedge Anchor 316 SS (10)

7 x 2 1/2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - 5 lbs Pack (630)

7/16-14 x 1 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450)

Commonly used in naval construction and power plant applications

9/16-18 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) 1 1/4-7 Grade 8 Hex Cap Screws Plain - Domestic USA The nylon flange head adds9 16 18 x 1 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) . 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