Spring Pull Pin with Clamping Knob | Secure Positioning with Robust Indexing Plungers for Accurate Component Placement

Clamping Indexing Plunger with Knob｜Tool-Free Tightening × Reduced Vibration × Versatile Use manufacturer. The Spring Pull Pin with Clamping Knob allows users to tighten and stabilize structures with a simple hand twist—no tools required. Turn the top knob to clamp the screw and secure the part, or pull it up to retract the pin for repositioning. Releasing the knob automatically re-engages the pin. UJEN is a high-quality Spring Pull Pin with Clamping Knob, Hand screw, hand nut, knob screw, thumb knob, plastic knob, adjustable handle, grip knob, indexing plunger manufacturer from Taiwan since 1994. UJEN Development Co., Ltd., with over 45 years of expertise, specializes in manufacturing precision hand screws, knob screws, plastic knobs, adjustable handles, and indexing plungers. As an ISO 9001:2015 certified company, we offer custom solutions and professional mold-making capabilities to enhance product functionality and brand value. Our commitment to quality and innovation ensures we meet the specific needs of our customers in various industries. UJEN is a leading manufacturer of high-quality hand screws in the screw parts industry. With over 40 years of expertise in plastic injection mold development, we have specialized in crafting precision rotary knobs and handles. We offer technical consulting services and customized design solutions to provide full-service from design to production.