manufacturer of helical broaches, flat broaches, spline broaches, broaching machines, spare parts for lapointe broaching machines, roto flo racks, spline rolling racks and machines, boring spindles, milling spindles, motorised spindles, repair or manufacture new any machine tool manufactures' spindle, machine tool spindles. colonial tool group inc. was previously owned by michigan tool, excello xlo, micromatic textron. we have plants in the united states and canada.