... in all angles such as drilling, expanding, reaming, grooving and etc. and is especially 1.Max drilling diameter 25(mm)2.It ... is used to drill, expand, ream, groove, tap the middle and large parts This movable multi-purpose radial drilling machine of ... such as drilling, expanding, reaming, grooving and etc. and is especially for the single part process and large part press of the machine work ...