1/2 Extra Heavy Duty Split Lock Washer Mechanical Zinc Yellow Made in USA WF The nut is non-serrated

The nut is non-serrated

This 3/8-16 x 5 Hex Cap Screw is made of steel and has a Grade 8 rating

Its compact size and ease of installation make it a convenient solution for various projects

Ideal for wood-to-wood connections

The serrated flange design ensures a positive lock against the mating surface

1/2 Extra Heavy Duty Split Lock Washer Mechanical Zinc Yellow Made in USA WF The nut is non-serratedEnsure secure connections with our premium 1 2" Extra Heavy Duty Split Lock Washers. These washers are manufactured in the USA to meet the highest quality standards. Crafted from durable steel and coated with mechanical zinc yellow for corrosion resistance, they effectively prevent loosening under extreme vibration and load conditions. Their split design provides exceptional locking power, making them ideal for heavy duty industrial, construction, and