#42 Heavy Duty Drill Bit - Stubby Length

3/16 x 1 1/4 Mushroom Spike Zinc Plated (100)

3/4 x 8 Hex Lag Screw Zinc Plated

#24 Heavy Duty Jobber Drill Bit

1-8 x 1 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated 1-12 Socket Cap Screws Alloy #42 Heavy Duty Drill Bit1 8 x 1 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated . Grade 8 Hex Cap Screws are manufactured 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 1 2 inches is