... .Mechanical transmission 2.Mechanical clamping 3.Mechanical speed The Radial Drilling Machine Model Z30100X25,Z30100X31 is a new series of diversified functions ... the reccent years. In this machine, hydraulic reselections speed and chang mechhanisms are adopted,the headstork,radial arm and columns are clamped ... . overall dimensions (L × W × H)mm3980 *1630 *47954530 *1630 *4795 Radial Drilling Machine