1/4 Machine Screw Washer Black Oxide LG it features a Grade 5

it features a Grade 5 strength rating

preventing the fastener from loosening due to vibration or shock

This 5/16-18 x 7 1/2 Hex Cap Screw is made of Grade 5 steel and has a zinc finish

Its precision threading ensures a secure and reliable connection

Made from durable nickel-plated steel

1/4 Machine Screw Washer Black Oxide LG it features a Grade 5This 1 4" Machine Screw Washer is made of durable steel and features a black oxide finish for corrosion resistance. It is designed to be used with 1 4" machine screws and helps to distribute the load of the screw, preventing damage to the material being fastened. The washer has a thickness of 0. 025" and an outside diameter of 0. 500". It is commonly used in a variety of applications, including automotive, construction, and manufacturing.