Several head styles and anchor materials are available

L9® High Tensile Strength Hex Nuts are designed for use in high stress

3/4-10 x 4 Hex Tap Bolt 18-8 (A2) Stainless Steel

1-8 x 6 Hex Cap Screw SS 316 (A4)

5/8-18 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (90) 18" Long Boy Drill Bits Several head styles and anchor5 8 18 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (90). 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 2