Download FastenMaster TimberLOK® Technical Data

1 1/4-12 Nylon Insert Locknut Zinc Plated

1-8 x 4 A307A Hex Tap Bolt Zinc Plated

7/8-9 x 3 Socket Set Screw Cup Point Alloy

7/16-20 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (50) 1/2-20 Hex Cap Screws 18-8 Stainless Steel Download FastenMaster TimberLOK® Technical Data7 16 20 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (50). 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 120,000