It has a hexagonal drive at one end and a cup-shaped indentation at the other end

7/8 x 4 Dowel Pin Alloy Steel

6 x 3/4 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (15

#5 Heavy Duty Jobber Drill Bit

5/8-11 x 4 Flat Socket Cap Screw 18-8 (A2) Stainless Steel

5/16-24 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1000) 1 1/2-6 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA It has a hexagonal drive5 16 24 x 1 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1000) . 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