Grinding Block6 PiecesBody MaterialAluminum alloy castingSurface ColorYellow, customized availableMax. Rotary Diameter?490mmMax. Head Revolving Speed500-550rpm/min.Overall Height286mmGrinding Block Length130mmDiameter of Main Shaft?170mmDiameter for Mounting Spigot of Main Shaft?85mmConnecting Hole for Main Shaft3 x ?18Center Distance6-M10-?240Net Weight98KgLead Time15-20 work daysGuarantee1 yearSupply Ability500 pieces/monthMinimum Order Quantity1 PiecePayment TermsT/T, L/C, Western unioSh