Both spindle head, worktable, column and base using high quality cast iron, strong and ever-lasting. High precision with excellent feature , widely used at all kinds of fields such as instrument industry , machinery producing and repairing . Standard accessories: Drill chuck Taper sleeve (only MT3 spindle) Arbor (only taper hole spindle) Drift (only taper hole spindle) Wrench Special accessories: Safety guard Vice Model: Z512B/Z612B Max. Drilling capacity(mm): 12.7/16 Dimension of column(mm): 70 Spindle travel(mm): 100 Distance spindle axis to column generating line(mm): 193 Max. distance spindle nose to worktable(mm): 315/326 Max. distance spindle nose to base(mm): 556/550 Spindle taper: B16/B18 Spindle speeds range(r/min): 480-4100 Spindle speeds series: 5 Dimension of worktable surface(mm):200/230/ Diameter of base(mm): 528X360 Overall height(mm): 1037 Motor(W): 370/550 G.W/N.W(KG): 108/90 Package Dimention(cm) 79x44x96