1/2-13 x 5 Hex Tap Bolt Silicon Bronze

They are widely used as plug gages

1/2-13 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

3/4-10 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

276 x 4 Simpson Strong-Drive® SDWH Timber-Hex Screw 316 Stainless Steel - Box (100)

3/4-16 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Flat Split Drive Anchors Zinc Plated 1/2-13 x 5 Hex Tap3 4 16 x 6 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