Brake Drum Machine/Borer/boring machine/three-row drilling machine *Brake Drum Machine/Borer/boring machine/three-row drilling machine* SpecificationModelUnit1480114802148031480414805T8346/1T8350T8358(A)T8360T8365Range of processing diametermm200-460250-500220-580180-600350-650Rotating speed of workpiecerpm31, 5941, 5937, 5027, 45, 7030, 45Working travel of slideboardmm140200320450450Motor (KW) ...