14 x 9 OlyLog® Log Home Fastener (250)

5/8-18 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1/2-13 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450)

7/8-9 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

7/16-14 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Cap Nuts 18-8 Stainless Steel 14 x 9 OlyLog® Log7 16 14 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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