1.Through the ISO9001 certificate 2.Competitive price 3.High rigidity, capable of heavy load cutting Square Column Vertical Drilling Machine Z5140BSpecificationUnitZ5140BZ5140B-1Max drilling diametermm4040Spindle taper MT4MT4Spindle travelmm250250Spindle box travel(manual)mm200200Spindle speed steps 1212Spindle feed steps 99Spindle speed ranger.p.m31.5~140031.5~1400Table size spindle feed rangemm ...