Regular Contact Belleville Washers Bolt Size 5/16"/M8 17.65-18.35Mm Od X 8.20-8.56Mm Id X 1.36-1.44Mm Th X 1.90-2.35Mm Ht Spring Steel Heat Treated Oil Finish Nf E 25-511 680-B33-1Y
Regular Contact Belleville Washers Bolt Size 5/16"/M8 17.65-18.35Mm Od X 8.20-8.56Mm Id X 1.36-1.44Mm Th X 1.90-2.35Mm Ht Spring Steel Heat Treated Oil Finish Nf E 25-511 680-B33-1Y