12 x 2 1/2 Simpson Flat-Head Self-Drilling Screw w/ Wings - Square Drive 410 SS - Carton (1800)

3/4-10 x 4 1/4 Hex Cap Screw SS 316 (A4)

Fasten fiber cement through furring strips to wood or steel studs

1/4-20 x 1 3/4 Hanger Bolt Driver

) material thickness

1/4-20 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 5/8-11 Hex Cap Screws 18-8 Stainless Steel 12 x 2 1/2 Simpson1 4 20 x 7 8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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