230" head diameter

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Coarse thread: 90

#13 x 6 High Speed Aircraft Bit Cobalt

1/2-13 x 2 3/4 Simpson Wedge Anchor 316 SS (25)

1/2-13 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (400) 1/2-20 Button Socket Cap Screws Alloy 230" head diameter1 2 13 x 1 Grade 8 Hex Cap Screw Plain 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 diameters 1 4 to