providing much greater holding power than other self drilling anchors that are just a small screw in a larger screw

7/8-14 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated

1/2-13 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

9 x 2 1/2 Phillips Flat Particle Board Screw Plain & Lubed - Carton (2

5/8-18 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (65) 3/4-10 A307 Grade A Carriage Bolts Zinc Plated providing much greater holding power5 8 18 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (65). 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