Round Head Pull Pin, Indexing Plunger, D34 D42 D50 D58 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Round head pull pins, also known as round handle pull pins, are spring-loaded components designed for quick positioning and modular assembly. Widely used in medical equipment, monitor arms, sports gear, and mobile mechanisms, UJEN's version features a smooth, ergonomic head paired with a high-tension return spring. A simple pull enables fast engagement or disassembly, and the pin returns to its original position when released—enhancing both operational efficiency and safety.
The standard pin body is made of carbon steel with trivalent zinc plating, offering excellent corrosion resistance and environmental compliance. Custom materials such as stainless steel, alloy steel, or tool steel are also available based on strength requirements. The pull grip is molded from highly durable PA6 + glass fiber, providing both strength and comfortable handling. Custom colors and shapes are supported to match product aesthetics and improve brand visibility.
All components meet ROHS and REACH directives and are ISO 9001:2015 certified. Various stroke lengths, thread pitches, and shaft sizes are available, with spring force adjustable to your application. Ideal for designs requiring quick disassembly, secure locking, and modular functionality, this pull pin is a vital solution for modern equipment. UJEN is an ISO 9001 certification Round Head Pull Pin, Indexing Plunger, D34 D42 D50 D58, Spring loaded pull pin, Indexing plunger, Pop pin 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.
Round Head Pull Pin, Indexing Plunger, D34 D42 D50 D58
PS100
Spring loaded pull pin, Indexing plunger, Pop pin
Round head pull pins, also known as round handle pull pins, are spring-loaded components designed for quick positioning and modular assembly. Widely used in medical equipment, monitor arms, sports gear, and mobile mechanisms, UJEN's version features a smooth, ergonomic head paired with a high-tension return spring. A simple pull enables fast engagement or disassembly, and the pin returns to its original position when released—enhancing both operational efficiency and safety.
The standard pin body is made of carbon steel with trivalent zinc plating, offering excellent corrosion resistance and environmental compliance. Custom materials such as stainless steel, alloy steel, or tool steel are also available based on strength requirements. The pull grip is molded from highly durable PA6 + glass fiber, providing both strength and comfortable handling. Custom colors and shapes are supported to match product aesthetics and improve brand visibility.
All components meet ROHS and REACH directives and are ISO 9001:2015 certified. Various stroke lengths, thread pitches, and shaft sizes are available, with spring force adjustable to your application. Ideal for designs requiring quick disassembly, secure locking, and modular functionality, this pull pin is a vital solution for modern equipment.
Function
The round head pull pin is a mechanical component designed for quick positioning and automatic reset. It is widely used in movable structures and equipment that require frequent assembly and disassembly. With its simple operation and precise alignment, it serves as an effective solution for improving modular structural efficiency.
Features
- Round knob design offers natural grip and intuitive operation
- Spring return mechanism resets automatically after release
- Precision-machined for high durability and accurate positioning
- Available in various stroke lengths and thread combinations
- Custom materials such as stainless steel, alloy steel, and tool steel available
- Surface treatments include black oxide, zinc plating, and electrophoretic coating
- Fully compliant with RoHS, REACH, and SGS certifications
- Smooth and consistent pull/push operation
- Threads conform to international Class 2 standard
- Flame resistant, heat resistant, and UV resistant materials
- Matte-finish plastic knob with burr-free, smooth contact
- Combines ergonomic handling with elegant design
- Refined metal surfaces with trivalent white zinc finish for stable corrosion protection
- Tight dimensional tolerances between metal components reduce play
- Rounded tip on center pin ensures smooth re-insertion
- Chamfered screw tips reduce mating surface wear during installation
Gallery
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Customized service for Bolt, Screw & Nut (metal parts) -
The center pin 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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Round Head Pull Pin, Indexing Plunger, D34 D42 D50 D58 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Round Head Pull Pin, Indexing Plunger, D34 D42 D50 D58, 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.