SF 08x1000WERB SF 08x1000 Linear Round Shaft 8 mm x 1000 mm Hardened Shaft for Linear Motion The WERB SF 08x1000 linear round shaft is an 8 mm diameter, 1000 mm long hardened and ground shaft for miniature linear motion systems. It is designed for use with small linear bearings and shaft supports on very compact CNC and automation equipment in Pakistan. As the authorised WERB linear motion supplier, Abdul Traders keeps SF 08x1000 shafts available for precision