#40 Heavy Duty Jobber Drill Bit

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9/16-18 x 4 Socket Cap Screw Alloy

9/16-12 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (25) 1/2 Hex Lag Screws 18-8 Stainless Steel #40 Heavy Duty Jobber Drill9 16 12 x 3 Grade 8 Hex Cap Screw Plain 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 diameters 1 4 to