Profile: Autoturn Industries is a manufacturer & supplier of machined components for the automotive and allied industries. We are an ISO 9001:2000 certified company. Our products include rocker arm screws, self locking screws, gear box components and precision components. Gear-box components are used between shifting gear and shifting fork for easy manageability of gear shifting. Rocker arm screws are the components of valve trend used in conjunction with the rocker arm to adjust the engine valve setting. Rocker arm screws come in different types.