Suitable for medium alloyed materials and stainless steel

3/4 x 7 Hex Lag Screw Zinc Plated

5/8-11 x 6 Hex Tap Bolt Silicon Bronze

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1/2 x 2 3/4 Mushroom Spike Zinc Plated (50)

7/8-9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) 1/2 Hex Lag Screws Zinc Plated Suitable for medium alloyed materials7 8 9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of