5/16-18 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (300)

Pre-drilling recommended near board ends to prevent splitting

8 x 2 Square Flat Particle Board Screw w/ Nibs T17 Zinc Plated - Carton (3

50 x 35 Socket Set Screw Cup Point DIN 916 Black Oxide Alloy

1/2-13 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25) 7/16-14 Hex Cap Screws 316 Stainless Steel 5/16-18 x 4 1/2 Grade1 2 13 x 5 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (25). 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