1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide NR The DIN 933 standard specifies

The DIN 933 standard specifies the dimensions and tolerances for this type of screw

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

this screw boasts a Grade 5 rating for exceptional durability and resistance to wear

Made from durable steel

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

1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide NR The DIN 933 standard specifiesThese 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.