1/2-13 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (175) Tie Wire Split Drive Anchors Zinc Plated 1/4 x 1 1/4 Slotted

1/4 x 1 1/4 Slotted Hex Hi-Low Thread Concrete Screws Blue Ceramic Coated (3000)

9/16-18 x 1 3/4 Socket Cap Screw Alloy

3/4-16 x 3 1/2 Hex Cap Screw SS 18-8 (A2)

HRB 95 - HRC 35 for diameters over 1 1 1/2 inches

so they fill old worn spike holes tightly

1/2-13 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (175) Tie Wire Split Drive Anchors Zinc Plated 1/4 x 1 1/4 Slotted1 2 13 x 3 1 4 Grade 8 Hex Cap Screw Plain Domestic USA (175). 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