1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide NR They are made from high-strength

They are made from high-strength steel and have a black phosphate finish for corrosion resistance

This 1 1/4-7 x 10 Hex Cap Screw Grade 8 Yellow Zinc is a high-strength fastener designed for demanding applications

This 1/2-13 x 15 Grade 5 partially threaded carriage bolt features a 6" thread length and an undersized body

It features a metric thread size of M16

The fine threads provide a secure hold

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide NR They are made from high-strengthThese 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.