1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide 5/8-11 and the flange head provides

and the flange head provides a secure hold

this screw is ideal for heavy-duty applications requiring a secure and reliable connection

It is designed to securely connect conduit fittings and enclosures

These 1-8 x 10 Hex Cap Screws Grade 5 Zinc are designed for heavy-duty fastening applications

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide 5/8-11 and the flange head providesThese 1 4 20 Serrated Flange Hex Lock Nuts are made from case hardened HR15N steel and have a black oxide finish. They are designed to provide a secure hold on bolts and screws, even in high vibration applications. The serrated flange helps to prevent the nut from loosening, and the hex head allows for easy tightening and removal. These nuts are ideal for use in a variety of applications, including automotive, construction, and manufacturing.