IMPERIAL FLAT THICK WASHERS TO FIT UNF, UNC, BSF, BSW, BSCY BOLTS & SCREWS ZINC
Imperial Flat Washers. Table 3 heavy pattern imperial washers. Manufactured from zinc plated steel. Coarse Pitch Bolts & Screws. Set Screws, Bolts. Allen Socket Bolts. Button Head Allen Screws/Bolts.