5/16 x 5/8" FBHSCS

Grade 8 or stronger, Alloy steel, ANSI B18.3 rating

• Finish: Black Phosphate
• Thread: 5/16 18
• Bolt Length: 11/16""
• A: 5/16 18
• B: 11/16""
• C: .174""
• D: .675""
• E: 1/4