Wing Knob, Ergonomic Knob bolt, tool-free screw, D40 D50 D60 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Wing knobs are fastening components designed for quick assembly and manual adjustment. Commonly used in stage setups, medical carts, fitness equipment, audiovisual mounts, and industrial devices, UJEN reimagines the traditional wing and slotted knob with flowing contours and ergonomic curves. The result is a design that provides smoother rotation and less fatigue, even during extended use or when wearing gloves. Its unique appearance enhances both functionality and product design appeal.
The knob is made from high-strength PA6+ glass fiber, offering excellent impact resistance and a matte Nordic-style finish. The surface is burr-free and smooth to the touch. The embedded metal stud is treated with trivalent white zinc plating, combining corrosion resistance with eco-friendly compliance, meeting both ROHS and REACH standards. Threads are machined to international Class 2 tolerance for smooth, reliable assembly.
The full product line is ISO 9001:2015 certified and available in various sizes and customized options, including knob body color, decorative caps, and logo branding. Suitable for any application that demands fast installation and high visual recognition, this knob is the perfect blend of structure and style. UJEN is an ISO 9001 certification Wing Knob, Ergonomic Knob bolt, tool-free screw, D40 D50 D60, Double-wing knob, plastic wing screw, tool-free screw, ergonomic 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.
Wing Knob, Ergonomic Knob bolt, tool-free screw, D40 D50 D60
K380
Double-wing knob, plastic wing screw, tool-free screw, ergonomic knob
Wing knobs are fastening components designed for quick assembly and manual adjustment. Commonly used in stage setups, medical carts, fitness equipment, audiovisual mounts, and industrial devices, UJEN reimagines the traditional wing and slotted knob with flowing contours and ergonomic curves. The result is a design that provides smoother rotation and less fatigue, even during extended use or when wearing gloves. Its unique appearance enhances both functionality and product design appeal.
The knob is made from high-strength PA6+ glass fiber, offering excellent impact resistance and a matte Nordic-style finish. The surface is burr-free and smooth to the touch. The embedded metal stud is treated with trivalent white zinc plating, combining corrosion resistance with eco-friendly compliance, meeting both ROHS and REACH standards. Threads are machined to international Class 2 tolerance for smooth, reliable assembly.
The full product line is ISO 9001:2015 certified and available in various sizes and customized options, including knob body color, decorative caps, and logo branding. Suitable for any application that demands fast installation and high visual recognition, this knob is the perfect blend of structure and style.
Function
Wing knobs offer excellent handling and quick operation, making them ideal for manual fastening structures that require frequent tightening and loosening—especially in tool-free environments. This knob not only improves assembly efficiency but also enhances the visual identity and branding of your product.
Features
- Ergonomic butterfly wing design enhances grip force and stability
- Enables tool-free tightening and quick release
- Compatible with metric, imperial, and UNC/UNF threads
- Lightweight structure ideal for compact or frequently adjusted components
- Customizable color, grip size, and logo options
- Complies with RoHS, REACH, and SGS certifications
- Thread meets international Class 2 tolerance
- Features flame resistance, heat resistance, and UV resistance
- Matte-finish knob surface with no sharp edges or burrs
- Easy to grip and aesthetically pleasing for professional applications
- Metal surface has refined luster and trivalent white zinc plating for durable corrosion resistance
- Chamfered screw tips ensure smoother assembly and reduce mating surface wear.
Gallery
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Customized service for Bolt, Screw & Nut (metal parts) -
The Knob Screw can be fitted with an anti-scratch pad to minimize scratches on the surface of the locked object. -
Optional accessories of knobs, handles, pull pins
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Wing Knob, Ergonomic Knob bolt, tool-free screw, D40 D50 D60 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Wing Knob, Ergonomic Knob bolt, tool-free screw, D40 D50 D60, hand screws, knob screws, adjustable handles, grip knobs, and indexing plungers. Their commitment to customization and precision ensures each component, from hand screws to indexing plungers, meets rigorous standards. This dedication positions UJEN as a leader in supplying durable and reliable industrial components to global markets.
UJEN Development Co., Ltd. is a leading manufacturer of precision-engineered hand screws, knob screws, plastic knobs, adjustable handles, and indexing plungers for a variety of industrial needs. Our 45-year legacy, combined with ISO 9001:2015 certification, underscores our commitment to quality, innovation, and customer satisfaction. Specializing in custom solutions, we excel in professional moldmaking, enhancing equipment functionality across industries.
UJEN has been offering customers high-quality hand screws for industrial machinery since 1994, both with advanced technology and 47 years of experiences, UJEN ensures each customer's demands are met.