The Zamac Nailin™ is a nail drive anchor which has a body formed from Zamac alloy

7/8-9 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

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

1/4 x 2 Phillips Wafer Head Wall-Dog™ Light Duty Anchors White - Carton (500)

9/16 x 6 Reduced Shank Drill Bit (1/2 Shank)

5/8-18 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (65) 3/4-10 A307 Grade A Carriage Bolts Zinc Plated The Zamac Nailin™ is a5 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