1-8 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated

it becomes a safety locking device

3/4-16 x 8 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (30)

1/2-13 x 7 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor 316 Stainless Steel(25)

00 x 45 Socket Set Screw Cup Point DIN 916 Black Oxide Alloy

5/16-18 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (700) Square Head Set Screws Cup Point 18-8 Stainless Steel 1-8 x 3 Grade 85 16 18 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (700) . 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