Multi-head Combination Drilling Machine for Aluminium Brief Introduction: Multi-head Combination Drilling Machine for Aluminium Used for process holes on aluminum and curtain wall, once can process several holes, fit for mass production. Four heads can work together as well. Boring anchor can installed on each head results more holes in one drill.Multi-head Combination Drilling Machine for Aluminium  Technical Parameter: Input voltage 380V 50Hz Input power 3kw Motor rotation speed 1400r/min Travel 125mm Max.distance of holes 5000mm Overall dimension 5500*1000*1900mm