230" diameter #1 square drive

3/4-10 x 8 Hex Cap Screw SS 316 (A4)

7/16-14 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (200)

1/2-13 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (250)

#14 diameter shank

9/16-12 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (275) HeadLOK Heavy Duty Flathead Fasteners 230" diameter #1 square drive9 16 12 x 1 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (275). Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of