5/8-11 x 6 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1-14 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (55)

5/16-24 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

5/16 x 2 1/2 Flat Sleeve Anchor Zinc Plated (50)

OlyLog® is the first threaded log home fastener which requires no pre-drilling and is ACQ approved

7/16-20 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400) M24-3.00 Flat Socket Cap Screws 12.9 DIN 7991 Black Oxide 5/8-11 x 6 Grade 57 16 20 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400) . 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