The best value in Tap Arm Systems for size 0 through 5/8" threads is our TA- Series tapping arms. Fit, function & longevity of the TA Series Tapping Arm comes from simple yet durable design and our tap arm systems come at a very practical price. Precision machining and hand fitting of components during assembly make ETA tap arms the Swiss watch of tapping arms. We back this statement with a 3 year warranty against wear-out. These floating tap arms offer the most flex ability in a tap arm. It's easy to adjust our tapping machine to float up and out of the way between holes or when not in use or you can set the float tap arm to suspend perfectly in any position. Movement of ETA tapping arms is virtually effortless. Threads are formed or cut without torque reaction because the tap arm keeps the tool from spinning. Once set up properly, the tap arm machine also guides the tap and keeps it in perfect alignment with the hole. TA Series Tapping Arms are designed, machined and assembled in the United States by Americans . Our Bilz tap chuck and Bilz tap adapters are made in Germany and are interchangeable with T.M. Smith, Flexarm, Collis, Universal, Lyndex, 3Arm, Accupro, Centaur, Emuge, Erickson, Parlec, and others.