This 0.5-3mm twist drill chuck set is made of copper with excellent workmanship.The collets can go with twist drill as a mini hand drill for ABS board,aluminum sheet,paperboard drilling.
Specifications:
Material: Copper-Brass-Iron
Drill Collete: Size:0.5mm,1.0mm,1.5mm,2.5mm,3.0mm
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This 0.5-3mm twist drill chuck set is made of copper with excellent workmanship.The collets can go with twist drill as a mini hand drill for ABS board,aluminum sheet,paperboard drilling.
Specifications:
Material: Copper-Brass-Iron
Drill Collete: Size:0.5mm,1.0mm,1.5mm,2.5mm,3.0mm
..
Power Supply for Mini Drill Machines. It's always been a problem with micro-drill machines that speed variation and directions control, also we require speed regulation for drilling different materials, sometimes for grinding we need reverse and forward an option. Speed Control Knob, Direction Contr..