Knurled Thumb Knob Nut, M4, D15 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery

Colorful grip knobs comply with environmental regulations. Metal surface is trivalent white zinc, with stable corrosion resistance. The threads are made of Grade II standard threads. ROHS & REACH compliant, made of wear-resistant nylon + glass fiber material to increase service life. The nut through hole allows the screw to be locked through the body of the knob, suitable for long screws.
Easy finger-tight Knurled nut M4, Matte touch design. No scratching, no sharp edges and burrs. We are ISO9001:2015 certified and also provide customized services, welcome to contact us.
The small knob is the first choice for small spaces and can be tightened with fingers, thus saving time and effort. A variety of innovative and vibrant colors are available on the exposed areas to enhance corporate product recognition. Enhance the value and unique style of your products. UJEN is an ISO 9001 certification Knurled Thumb Knob Nut, M4, D15, Knurled plastic knob nut, Female Threaded Clamping knob, Thumb knob, Tighten knob 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.