For unparalleled broaching quality, superb customer service, competitive pricing and excellent turn-around time turn to Miller Broach, Inc. Miller Broach specializes in broaching and has the professional expertise and equipment required to meet all of your broaching needs. We manufacture form broaches, keyways, flats and inserts, fully recondition broaches and provide full production services. Expert in house Engineering and Quality Departments give Miller Broach the capability to provide complete broaching packages without the need to outsource.