tamper-proof

1 1/2-12 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (5)

stainless steels

6-20 x 7/16 Phillips Pan Self Drilling Framing Screw Zinc Plated (10000)

ThruLOK® is the newest edition to the FastenMaster LOK Line of structural wood-to-wood fasteners

5/16-24 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (1000) Square Pancake-Head Self Drilling Screws 410 Stainless Steel tamper-proof5 16 24 x 1 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (1000). 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