1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide NR The fine threads provide a

The fine threads provide a secure hold

this screw boasts a Grade 8 rating

Made from durable steel

and a rib neck diameter of 0

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide NR The fine threads provide aThese 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.