HR001G is over heating after 1/2" hole in old concrete. I have had the in to Makita 2 time to have it fixed. Under warranty both times but is is not working
Makita 18V LXT Lithium-Ion Cordless 29 oz. Caulk and Adhesive Gun Kit (5.0Ah)
Makita Angle Grinder Repair – How to replace the Gear - YouTube