National Hardware 4003BC Coupler, Thread Type: UNC Coarse, Thread Size: 1/4-20, Hex Size: 0.37 in, 650 lb Tensile Strength, Thread Length: 0.88 in, Steel, Zinc, Dimensions: 0.88 in L
ECROU DE COUPLAGE TIGE FILETEE 1/4-20
TUERCA ROSCADA DE COPLE ROD1/4-20