Portable Drilling Machine

Portable Drilling Machine Points : Portable Drilling Machine, What is Portable Drilling Machine, Definition, Portable drilling machine is a little compact component and use for drilling holes in workpieces in every point, which cannot be drilled in normal drilling machine. It can be use for drill small diameter holes in big weldments or casting at that position itself where they are lying. Portable drill machine are fixed by small electric motors, which can be drive with both A.C. and D.C. power supply. These drilling machines work at rather high speeds and hold drills capable of 12 mm in diameter.