... gold, silver , etc. Items: male, female, banjo fittings ,adaptors, nuts, banjo bolt, washer, clip, rubber sleeve, spring etc ,which are ... fittings.MaterialMild steel, stainless steel, aluminum, copperThread standardsMetric: M10X1, M10X1.25, M12X1, M12X1.25, M12X1.5 M14X1.5 ... , 7/16X20, 5/8X18 etcStylesMale fitting, female fitting, banjo, nut, boltMaking technicsRivet; welding joint; wedge; cold heading ...