Small Indexing Plunger with Circle Plastic Clamping Knob, rest position, M12 x 24mm, D29, pin7 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
This pinned rest approach refines both safety and handling in tight spaces. A mini spring plunger that locks open by pulling and rotating considerably boosts operator efficiency. UJEN implements this feature in its M8–M16, 4–10mm lineup. The knob includes a circular ring plus four designs, with seven ring/disc colors for brand visuals; wood fiber or oyster shell plastic furthers eco goals. Taiwan CNC and mold production ensures stable tolerances and durability, while ISO9001 oversight manages large or custom B2B orders for medical, automotive-aerospace, sports, semiconductors, and AV equipment. UJEN is an ISO 9001 certification Small Indexing Plunger with Circle Plastic Clamping Knob, rest position, M12 x 24mm, D29, pin7, Mini spring loaded pull pin, Tiny 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.
Small Indexing Plunger with Circle Plastic Clamping Knob, rest position, M12 x 24mm, D29, pin7
PSK300F-291224N0708
Mini spring loaded pull pin, Tiny indexing plunger, Pop pin
This pinned rest approach refines both safety and handling in tight spaces. A mini spring plunger that locks open by pulling and rotating considerably boosts operator efficiency. UJEN implements this feature in its M8–M16, 4–10mm lineup. The knob includes a circular ring plus four designs, with seven ring/disc colors for brand visuals; wood fiber or oyster shell plastic furthers eco goals. Taiwan CNC and mold production ensures stable tolerances and durability, while ISO9001 oversight manages large or custom B2B orders for medical, automotive-aerospace, sports, semiconductors, and AV equipment.
Function
UJEN Mini Spring Pull Pins with Rest Position are designed specifically for rapid fastening, frequent adjustment, and convenient repositioning. Simply pull and rotate the top knob 95 degrees to maintain the pin in a fully disengaged (rest) position, allowing users the freedom to adjust components easily with both hands.
After repositioning, simply rotate the knob directly to re-engage the pin into the hole (new improved feature), eliminating the need for an additional pulling action. This innovative improvement significantly enhances operational efficiency.
Additionally, this mini pull pin enables quick hand-tightening by rotating the top knob manually, securely fastening components and effectively preventing vibration or looseness without tools. Widely used in fitness equipment, medical devices, mechanical assemblies, furniture hardware, and more, it provides a reliable solution for precise and rapid component adjustments.
Features
- RoHS REACH compliant.
- Pull and release process smoother.
- Thread is class 2.
- Flame-proof, heat-resistant, anti-UV properties.
- The head knob has a matte finish.
- The head knob does not hurt hands, no sharp angles or burrs.
- The knob is easy to tight with a hand. the best design of beauty and grip.
- The metal is shiny and detailed.
- Zinc plated metal, stable corrosion resistance.
- The fitting tolerance between metal parts is small, reducing sway.
- The rounded corner of the Plunger's front end increases smoothness of insertion.
- The chamfered front end of the screw makes assembly smoother and reduces wear on the mating end face.
Dimensions
Thread Size
- M12
Thread Material
- Steel
Screw Length(mm/inch)
- 24 / 0.94
Plunger Diameter(mm)
- 7
Metal Finishing
- zinc plated with trivalent
External Diameter(mm)
- 29~32
External Height(mm)
- 29~32
External Material
- PA6+GF
External Shape
- Circle
Gallery
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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What measures does UJEN take regarding environmental protection?
Environmental protection is an integral part of our operation. UJEN is committed to reducing the environmental impact of our production processes, strictly...
In which fields are UJEN's handle screws applicable?
Our knob screws are widely used in various fields, including mechanical manufacturing, medical equipment, sports equipment, monitor stands, fitness equipment,...
How does UJEN handle customer feedback and after-sales issues?
Customer satisfaction is our top priority. We have a dedicated customer service team responsible for addressing customer feedback and after-sales issues,...
What makes UJEN's research and development in plastic head screws distinctive?
Our plastic head screw nuts R&D team consists of industry-experienced engineers and designers, possessing forward-thinking design concepts and deep technical...
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Small Indexing Plunger with Circle Plastic Clamping Knob, rest position, M12 x 24mm, D29, pin7 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Small Indexing Plunger with Circle Plastic Clamping Knob, rest position, M12 x 24mm, D29, pin7, 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.