The large diameter head pulls logs down easily

7/16-14 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (750)

and its jaws open into lock position when placed within a hollow surface

14 x 10 Log Hog® Heavy Duty Log Home Fastener (250)

5/16-24 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (700)

1/2-13 x 7/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450) 3/4-16 Grade 5 Hex Cap Screws Plain - Domestic USA The large diameter head pulls1 2 13 x 7 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450) . 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