Pull Pin Spring Knobs | Secure Positioning with Robust Indexing Plungers for Accurate Component Placement
Indexing Pins manufacturer. Spring pull pins provide fast, tool-free positioning and repeatable alignment for equipment requiring frequent adjustment. The pull-and-lock mechanism reduces setup time, operator fatigue, and positioning errors in mechanical structures. UJEN is a high-quality Pull Pin Spring Knobs, Hand screw, hand nut, knob screw, thumb knob, plastic knob, adjustable handle, grip knob, indexing plunger 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.
Pull Pin Spring Knobs
Indexing Pins
Spring pull pins provide fast, tool-free positioning and repeatable alignment for equipment requiring frequent adjustment. The pull-and-lock mechanism reduces setup time, operator fatigue, and positioning errors in mechanical structures.
Pull Pin Spring Knob Product Family Overview
The pull pin family is designed around one core purpose: quick positioning with repeatable engagement. Different variants are available to match real-world requirements such as added holding force, temporary retraction, or clearer operator feedback during adjustment.
Below is a structured overview of common configurations to help engineers and OEM buyers select the most suitable pull pin solution.
Types of Pull Pin Spring Knobs
- Standard Spring Pull Pins with Knob — for fast positioning and repeatable alignment
- Spring Pull Pins with Clamping Knob — for positioning with additional holding force
- Lock-out Pull Pins with Clamping Knob — for temporary hold in the retracted position
- Safety Warning Spring Pull Pins with Clamping Knob — for enhanced visibility and safer operation
- Safety Warning Lock-out Pull Pins with Clamping Knob — combining lock-out function with safety feedback
Quick Selection Guide
- Choose Standard for pure positioning and repeatable indexing
- Choose Clamping when extra holding force is needed after positioning
- Choose Lock-out when you need the pin to stay retracted temporarily
- Choose Safety Warning when operator feedback and risk reduction matter
- Choose Safety Warning + Lock-out for high-safety, high-control environments
Typical Applications
- Fitness and rehabilitation equipment with frequent height or angle adjustment
- Automation modules and fixtures requiring repeatable positioning
- Sliding frames and guides in assembly systems
- Modular structures that are reconfigured regularly
- Industrial equipment where setup speed and consistency are critical
OEM / ODM Support from a Taiwan-Based Manufacturer
UJEN supports both standard pull pin solutions and OEM/ODM development across the full product family. Typical customization includes pin diameter, stroke, thread size, knob design, and functional options such as clamping, lock-out, or safety indicators—helping your team match performance and usability targets without overcomplicating assembly.
When pull pin specifications vary in thread size, plunger diameter, external dimensions, materials, and surface finishing, manual browsing may take time. For faster selection, use Advanced Search below or the shortcut at the top right to filter by dimensions, materials, and functional requirements.
Pull Pin Selection Guide
Choosing the right pull pin depends on application needs such as clamping force, lock-out operation,...
Spring Pull Pin with Knob
Designed for quick repositioning and repeatable alignment, spring pull pins with knob allow...
Spring Pull Pin with Clamping Knob
Spring pull pins with clamping knob combine precise positioning with added holding force, reducing...
Lock-out Pull Pins with Clamping Knob
Lock-out pull pins with clamping knob allow the pin to remain retracted for hands-free adjustment,...
Safety Warning Spring Pull Pin with Clamping Knob
Safety warning spring pull pins provide visual confirmation of proper pin engagement, helping...
Safety Warning Lock-out Pull Pin with Clamping Knob
Safety warning lock-out pull pins combine hands-free adjustment with visual safety indicators,...
Download 
Pull Pin Spring Knobs | Enhance Your Equipment with Durable Knob Screws for Easy Adjustment"
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Pull Pin Spring Knobs, 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.