#6 External Tooth Lock Washer Black Oxide 5/16-18-2B It is a non-A307 screw

It is a non-A307 screw

8 DIN 934 Metric Hex Nuts are made of 18-8 stainless steel and have a black oxide finish

This machine bolt is ideal for projects requiring a reliable and long-lasting connection

This 5/16-18 x 3 3/4 inch fully threaded carriage bolt is made of steel and has a zinc finish for corrosion resistance

and it provides a strong and secure connection

#6 External Tooth Lock Washer Black Oxide 5/16-18-2B It is a non-A307 screw#6 External Tooth Lock Washer Black Oxide is a hardened steel washer with teeth on its outer diameter. It is designed to be used under the head of a bolt or nut to prevent loosening due to vibration or other forces. The teeth bite into the surface of the mating part, creating a secure hold. This washer is ideal for use in applications where high levels of vibration are present, such as in automotive and industrial machinery. Its black oxide finish