1/2-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake M14-2.0 while the black oxide finish

while the black oxide finish helps to protect the screw from corrosion

Its corrosion resistance makes it particularly well-suited for coastal or high-moisture environments

8 Metric Fully Threaded Cap Screw Zinc is a high-quality fastener designed for a wide range of industrial and construction applications

and aerospace

1/2-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake M14-2.0 while the black oxide finishThese 1 2 20 Serrated Flange Hex Lock Nuts are made of HR15N case hardened steel and are zinc and bake coated for corrosion resistance. They have a serrated flange that digs into the mating surface to prevent loosening, and a hex head for easy installation. These nuts are ideal for use in high vibration applications, such as automotive and industrial machinery. They meet the specifications of IFI 100 and are available in a variety of sizes and