Barra tonda Ø4-50 mm acciaio cromato 45# asta binario albero movimento lineare lunghezza 100-500 mm
Length: 100mm，200mm，300mm，400mm，500mm. Application: Widely used in linear motion systems for gear, motor, airplane models, model boats, model cars, bearing, industrial, CNC, 3D printers, auto parts and other machinery.