Spring loaded pull pin, Indexing plunger, Pop pin | Enhance Your Equipment with Durable Knob Screws for Easy Adjustment"

Indexing plunger M12x20mm Appearance | Customizable knob screws from Taiwan

Spring Pull Pin with Star Knob, M12 x 20mm, D27 - Indexing plunger M12x20mm Appearance
  • Spring Pull Pin with Star Knob, M12 x 20mm, D27 - Indexing plunger M12x20mm Appearance
  • Four different shapes (concave, plane, convex and dot) with shaped knobs
  • 49 color combinations for customers to choose from at top of the pull pin
  • Indexing plunger can match the unique macaroon color system developed by UJEN, or customize the color to meet your needs.

Spring Pull Pin with Star Knob, M12 x 20mm, D27

PNK170-271220N0606

Spring loaded pull pin, Indexing plunger, Pop pin

Instant indexing action helps operators set or remove the pin with minimal downtime. In systems where indexing plungers meet frequent adjustments, Our pull knob provides a versatile twist: four head shapes—concave, flat, convex, dotted—plus color ring and color disc variations in 7 shades each. Thanks to Taiwanese CNC machining and mold expertise, it retains stable precision. We can also reduce plastic usage via oyster shell or wood fiber compositions. An ergonomic layout mitigates operator fatigue during repetitive locking. Complying with ISO9001, our production line handles both large bulk and specialized batches. This knob serves B2B fields from sports gear to automotive, aerospace, and medical, merging functional reliability with vivid design potential.

Function

UJEN Spring Pull Pins are ideal for applications requiring frequent adjustment and quick fastening. Simply pull the top knob to disengage the indexing pin, adjust components to the desired position, and release the knob—built-in spring action automatically reinserts the pin for secure, accurate positioning.

UJEN Spring Pull Pins feature a threaded locking design, allowing you to pre-tighten the pin using a wrench for enhanced stability. Widely used across industries including fitness equipment, medical devices, industrial machinery, and furniture hardware, UJEN pull pins improve your product's competitiveness and ease of use.

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
Dimensional drawing of Spring Pull Pin
Thread Size
  • M12
Thread Material
  • Steel
Screw Length(mm/inch)
  • 20 / 0.79
Plunger Diameter(mm)
  • 6
Metal Finishing
  • zinc plated with trivalent
External Diameter(mm)
  • 25~28
External Height(mm)
  • 21~24
External Material
  • PA6+GF
External Shape
  • Star
Gallery
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FAQ
What is UJEN's core business?

UJEN specializes in the innovative design and manufacturing of hand knob screws and related hardware accessories. With over forty years of extensive experience,...

Can you give specific examples of innovation in UJEN's clamping knob screws?

Our innovation goes beyond the design of clamping knob screws, extending to technological improvements and material applications. For instance, our hand...

What role does customization play in UJEN's business?

UJEN understands the diversity of market demands; hence, we provide comprehensive customization services ranging from material selection, sizing, to surface...

How does UJEN ensure high product quality?

Quality is the lifeline of UJEN. From the selection of raw materials to production process control, every step is strictly executed according to international...

Why do UJEN's spring plungers stand out in the market?

Our spring plungers stand out not only due to their high quality and innovative design but also because of our deep understanding of customer needs and our rapid...


Spring Pull Pin with Star Knob, M12 x 20mm, D27 | 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 Star Knob, M12 x 20mm, D27, 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.