Weld-on-Hubs are made out of steel, the extended flange provides a convenient means of welding hubs into fan rotors, steel pulleys, plate sprockets, impellers, agitators and many other devices which must be firmly fastened to the shaft. 

● Weld-on Hubs 

W type：

W12, W16, W25, W30, W35, W40, W45, W50, W60, W70, W80, W100.

WH type:

WH12, WH16-1, WH20, WH25, WH30-2, WH35, WH40-1, WH40-2,

WH45-1, WH45-2, WH50-1, WH50-2.

WM type:

WM12, WM16-1, WM16-2, WM20, WM25, WM30-2, WM30-3, WM35,

WM40, WM45, WM50.