Coarse thread: 90

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1-8 x 4 1/2 Socket Cap Screw 18-8 (A2) Stainless Steel

Designed for fast

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

1/4-20 x 7/8 Grade 8 Hex Cap Screw Plain Domestic USA (2500) Long Arm Hex Keys Alloy - Metric Coarse thread: 901 4 20 x 7 8 Grade 8 Hex Cap Screw Plain Domestic USA (2500). 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