#21 Heavy Duty Drill Bit - Stubby Length

5/16 x 18 ITM SDS Plus eVolution™ Hammer Drill Bit

1 1/8-7 x 13 Socket Cap Screw Alloy

1-8 x 6 Hex Cap Screw SS 316 (A4)

3/4-10 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 5/8 Hex Lag Screws Zinc Plated #21 Heavy Duty Drill Bit3 4 10 x 1 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . 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