5/8" ID x 1-3/16" OD (ID fits 5/8" fasteners) 20 Gauge Hot-Dip Galvanized Steel with Bonded NEOPRENE Rubber Washer (oil resistant). 200/Bag. Price/Bag.
MATERIALS: Neoprene backed sealing washer for oil exposed application. ASTM A-527 20 Gauge Hot Dip Galvanized Steel; Neoprene Rubber, 70 durometer hardness per ASTM D2000; Overall thickness about .140"-.150" before compression; Available compression about