Available in 2 mm diameter screw sizes with leads ranging from 0.3–2 mm per revolution, Kerk® Micro Series Lead Screw Assemblies come in variety of nut configurations made of self-lubricating acetal and Kerkite® High Performance Composite Polymers, including nylon, PPS, and PEEK materials. Assemblies are manufactured of 303 stainless steel and require no maintenance. High accuracy threads with optimal uniformity deliver precise motion while minimizing noise and vibration.