1" High Collar Split Lock Washer Plain #4 meaning it does not contain

meaning it does not contain any hazardous substances

It is made of alloy steel and heat-treated to a Rockwell hardness of C32-38

It features a 3/8-inch diameter and a 1 3/4-inch length

This 1/4-20 x 2 1/4 Hex Head Flange Non Serrated Frame Bolt is made of high-strength steel and features a black phosphate finish for corrosion resistance

This 1/2-13 x 15 carriage bolt is partially threaded with a 6' thread length and an undersized body

1" High Collar Split Lock Washer Plain #4 meaning it does not containThe 1" High Collar Split Lock Washer Plain is a versatile and durable washer designed to prevent nuts and bolts from loosening due to vibration or movement. Its high collar provides additional support and stability, while the split design allows for easy installation and removal. Made from high quality steel, this washer is resistant to corrosion and wear, ensuring long lasting performance in demanding applications. Its plain finish provides a clean