Special for brake drum of large truck/lorry/bus, optional for brake shoe & hubless brake drum.
Whole column design enables better rigidity than old structure.
Super strong spindle structure makes boring elliptical deformable/surface hardened brake drum available.
Centering with special cone sleeves, applicable for brake drum of various vehicles like FAW, Howo, Dongfeng, Steyr, Hongyan, medium buses & vans.