BC501 BC501443.733RFL 290, 300, 310, 500, 510, 1000, 1020 2020, 2030, 4020, 4030, 6020, 6030Plastic nut - Upper & Lower Size: 45(OD) x 11mm(T)
BC507 BC507444.7530Soldered connections assemblyRobofil 190,230,240,290,300,310,330,440,500,510,1020,1020,4020,6020