Steel Flat Washer, Black Oxide Finish, ASME B18.22.1, 5/16" Screw Size, 11/32" ID, 11/16" OD, 0.065" Thick (Pack of 100)

Small Parts 31WSAEBPK Steel Flat Washer, Black Oxide Finish, ASME B18.22.1, 5/16" Screw Size, 11/32" ID, 11/16" OD, 0.065" Thick (Pack of 100)

cSeao 10pcs Black 5/16-18 x 4" Socket Cap Screws Allen Head Bolts with One Hex Key

5/16-18 Nylon Insert Hex Lock Nuts Locknuts, 304 Stainless Steel 18-8, Black Oxide, 25 PCS