Threaded to within 5/16" of top of head

1/2-13 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (150)

Fasten fiber cement through furring strips to wood or steel studs

00 x 50 Socket Cap Screw 12

7/8-9 x 5 Grade 5 Hex Cap Screw Zinc Plated

7/16-20 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (200) 7/16-20 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA Threaded to within 5/16" of7 16 20 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (200) . 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