The max.diameter is 60mm No-load speed 95r/min Power 2.1 kw ModelJ3C-BG01 60AMax.DiaΦ60mmNo-load speed95r/minRated input power2.1kwMax.attraction21000NMax.travel230mm Weldon Φ19mm Max.Drilling Depth 75mmRated voltage380VRated frequency50HZNet weight47kg drilling machine