(hose fittings,hose couplings,hose connector,hose flanges,brake hose,auto fitting, All the fittings and brake hardware can be made with mild steel, stainless steel and brass material. Thread including metric thread M10x1, M10x1. 25, M12x1. 25, M12x1. 5, M14x1. 5 etc; and imperial thread 3/8x24, 7/16x20, 7/16x24, 5/8x18, 5/8x26 etc. -