5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake M5 The partially threaded design allows

The partially threaded design allows for a stronger hold in wood applications

which means it is strong and durable

making it ideal for use in various industrial

The elevator bolt is ideal for use in wood

this bolt ensures a secure hold in both indoor and outdoor environments

5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake M5 The partially threaded design allowsThese 5 16 18 Serrated Flange Hex Lock Nuts are made of case hardened HR15N steel and are finished in black zinc and bake. They have a serrated flange that helps to prevent loosening and are ideal for use in applications where vibration is a concern. These nuts meet the requirements of ASTM A563 Grade C and are RoHS compliant.