new invention uses a handheld drill to create square mortises using a circular core drill bit

Hello everyone, in the video "New invention using a hand drill to punch a square mortise with a round core drill." a veteran carpenter has taken advantage of innovative round core drills and created an application product Perfectly used on a HAND DRILL, it helps a lot in the wood industry. increase your work efficiency many times over Watch the video to see how you can create the best applications for the wood industry that you don't know yet. Follow the channel to see more new videos