The F-W516 is a flat metal washer used with our bolts M8-35B and M8-45B and M8-N nut to evenly spread the load over a wider area. They help prevent loosening caused by vibration and to prevent the bolt from pulling through.
Sold per box of 100 units.
A Flexpipe Product
For technical details and images, please search for the product using the 80/20 interactive catalogue found here: https://catalogs.8020.net/80-20-Catalog-26/C/.