1/2-13 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (50) 1/2 Hex Lag Screws Zinc Plated 8 x 1 5/8 Simpson

8 x 1 5/8 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1000)

Fasten fiber cement through furring strips to wood or steel studs

Manufactured from 18-8 stainless steel

18-8 stainless steel is best for applications where corrosion resistance is required

1/2-13 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (50) 1/2 Hex Lag Screws Zinc Plated 8 x 1 5/8 Simpson1 2 13 x 2 3 4 Grade 8 Hex Cap Screw Plain Domestic USA (50). 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