East Coast Threading
We supply structural washers meeting ASTM F436 and ASTM F844/USS.
F436 washers are hardened, whereas the F844 have a larger outer diameter and are considered general purpose.
See the table below for structural washer unit weights and part numbers.
PO Box 347
1520 Manatawny Road
Pine Forge, PA 19548
© 2018 East Coast Threading