Mactech is a world leader in the manufacture and sale of portable line boring equipment. For over 40 years Mactech has provided the equipment and expertise you need to get your job done on time and on budget. Our reputation for short lead time and quick response is unsurpassable. One of our clients, Inland RIver Towing, recently shared their success story about a full steering system overhaul on a lower Mississippi triple screw towboat. Mactech had the proper tools, experience, and processes to complete the job in place without removing all the steering components from the boat, which was critical to the success of the project. Have questions that need to be answered right away? Call 1-800-328-1488 and get connected with a line boring specialist today! BORING BARS WE OFFER BB2250 is a 2 ¼” Portable Boring Bar that adds versatility to our extensive Boring Bar line. KWIKWAY is a standard cylinder boring bar that offers two speeds and two feeds, which provides four combinations for boring versatility. Multiple Bore Bars (MBMC) provide machining capabilities on set up equipment where disassembly or removal from the job site would be costly and time-consuming. Mactech has the ability to line bore and reface equipment in the field from a single set up. Our standard bars range from 1 ¾” to 10” diameters and lengths up to 24’. Visit our Line Boring Bar Page for more information on our tools. Want to see what we can do for you? Fill out our contact form and a Mactech representative will be in touch shortly. All fields marked with (*) are required.