Spring Pull Pin with Circle Plastic Clamping Knob, M16 x 26mm, D65
PYK100-651626N0808
Spring loaded pull pin, Indexing plunger, Pop pin
Ergonomic spring plunger design speeds up set-ups in automated equipment. Many industries require fast, repeatable positioning, and Our pins and indexing plungers answer that need perfectly. Backed by 40 years of mold manufacturing know-how, our CNC lathe–crafted center columns pair with knobs designed for comfortable, ergonomic handling. Increasingly, automotive and medical sectors have adopted our solutions due to high precision and reliability. Environmentally conscious? Our plastic heads can integrate oyster shell or wood-based additives. And with ISO9001 protocols, we handle massive production runs or smaller custom projects seamlessly. From aerospace systems to fitness machines, UJEN helps your multi-position locking functions achieve top performance.
Function
UJEN Indexing Pins (Spring Pull Pins) offer an ideal solution for rapid fastening and frequent repositioning of components. Simply pull the top knob to release the pin from the positioning hole, adjust the component to your desired location, and release—built-in spring action instantly re-engages the pin for precise positioning.
Additionally, UJEN indexing pins feature an ergonomic knob design, allowing you to easily tighten the screw manually, securely clamping the component and eliminating vibration or movement, widely used across fitness equipment, industrial machinery, medical devices, and furniture hardware industries.
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
- M16
Thread Material
- Steel
Screw Length(mm/inch)
- 26 / 1.02
Plunger Diameter(mm)
- 8
Metal Finishing
- zinc plated with trivalent
External Diameter(mm)
- 65~68
External Height(mm)
- 45~48
External Material
- PA6+GF
External Shape
- Circle
- Related ProductsFAQ
Spring Pull Pin with Circle Plastic Clamping Knob, M16 x 1.5 x 26mm, D65
PYK100-6516260808
A reliable, spring-driven plunger for quick changes in packaging or production lines. Looking...
Details Add to ListSpring Pull Pin with Star Plastic Clamping Knob, M12 x 1.5 x 20mm, D56
PYK180-5612200606
A universal spring plunger design suitable for metalworking, tooling, and more. UJEN excels...
Details Add to ListSpring Pull Pin with Star Plastic Clamping Knob, M16 x 1.5 x 26mm, D55
PYK170-5516260808
Enhanced spring tension ensures stable connections in repeated load cycles. With 40 years in precision...
Details Add to ListSpring Pull Pin with Star Plastic Clamping Knob, M16 x 26mm, D55
PYK170-551626N0808
A durable spring-driven solution that keeps operator adjustments safe and precise. From everyday...
Details Add to ListSpring Pull Pin with Star Plastic Clamping Knob, M12 x 20mm, D56
PYK180-561220N0606
Saves valuable time with its instant snap-back action and robust retention force. While Our indexing...
Details Add to List
Spring Pull Pin with Circle Plastic Clamping Knob, M16 x 26mm, D65 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Spring Pull Pin with Circle Plastic Clamping Knob, M16 x 26mm, D65, 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.