UNF & UN8 Class 2B

9/16-12 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (75)

3/4-16 x 2 1/2 Flat Socket Cap Screw Alloy

188 x 4 Simpson Strong-Drive® SDWH Timber-Hex Screw 316 Stainless Steel - Pack (20)

3/8 Heavy Duty Drill Bit - Stubby Length

3/4-16 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (45) 1-8 A307A Hex Bolts Zinc Plated UNF & UN8 Class 2B3 4 16 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (45) . 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