Flat Plastic Thumb Knob Screw (Nut) | Secure Positioning with Robust Indexing Plungers for Accurate Component Placement

Low-Profile Thumb Screws｜Curved Surface Design × Ergonomic Fit × Sleek Performance manufacturer. Low-Profile Thumb Screws by UJEN break away from the rigid and uniform appearance of traditional metal knobs. Featuring a bold, curved surface design, these screws combine a sleek, modern aesthetic with practical ergonomics—allowing users to grip and tighten them comfortably, even with minimal thickness. UJEN is a high-quality Flat Plastic Thumb Knob Screw (Nut), 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.