These metric locknuts feature nylon inserts that create a strong gripping power meaning they are reliable and safe for use

5/16-18 x 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1950)

Size identification on all SDWH screw heads

1/2-13 x 8 Hex Cap Screw SS 316 (A4)

The 1/4 x 3 Simpson Mushroom Head Crimp Drive® Anchors are made from high-strength carbon steel

5/8-11 x 8 1/2 A325 Type 1 Heavy Hex Bolt Plain Domestic (USA) - Bulk Keg (175) 1 1/4-7 A307A Hex Bolts Plain Steel These metric locknuts feature nylonOur 5 8 11 x 8 1 2 A325 Type 1 Heavy Hex Bolt Plain Domestic (USA) Bulk Keg (175) is a reliable choice for construction and manufacturing. These 175 bolts are made from high grade steel to provide superior performance and durability in demanding applications. A perfect fit for projects requiring 1 2 inch fastener size.