UNC NYLOC NUTS ZINC PLATED INSERT LOCK 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1" S$ 3.41 to S$ 238.10
UNF & UNC SERRATED FLANGE NUTS TO FIT IMPERIAL BOLTS & SCREWS A2 STAINLESS STEEL S$ 4.98 to S$ 407.65
UNC DOME NUTS A2 STAINLESS STEEL 4, 6, 8, 10, 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" UNC S$ 1.70 to S$ 380.31