Lock-out Pull Pins with Clamping Knob
Locking pull pins with Clamping Knob|One-Handed Operation × Pause & Lock × Precision Adjustment
Lock-out pull pins with clamping knob allow the pin to remain retracted for hands-free adjustment, then re-engage for accurate positioning with added clamping stability in precision equipment.
UJEN supplies lock-out pull pins with clamping knob for modular equipment and precision assemblies, supporting hands-free adjustment, reliable positioning, and OEM/ODM customization through Taiwan-based manufacturing.
Core Function: Lock-Out Positioning with Hands-Free Adjustment
The lock-out pull pin with clamping knob features a built-in hold mechanism that keeps the pin in the retracted position after pulling and rotating the knob. This allows operators to use both hands for precise alignment, part replacement, or mold changes without repeatedly pulling the pin.
Once adjustment is complete, the pin can be re-engaged by rotating the knob back, restoring accurate and repeatable positioning.
Improved Lock-Out Operation Design
In the updated design, the pin can be reinserted directly by rotating the knob, eliminating the need to pull and rotate again. This improvement simplifies operation, reduces adjustment steps, and minimizes user error during high-frequency use.
Compared to earlier designs that required repeated pull-and-rotate actions, the new mechanism provides smoother and more intuitive operation.
Integrated Clamping for Added Stability
In addition to the lock-out function, the clamping knob allows manual tightening after positioning. This added holding force helps secure components against vibration and dynamic loads, improving overall system stability without additional fasteners.
Key Features
- Lock-out mechanism holds the pin in the retracted position
- Direct rotation to re-engage the pin without pulling again
- One-hand operation for faster and safer adjustment
- Manual clamping function for enhanced stability
- Designed for frequent use and foolproof operation
- ROHS compliant for global environmental requirements
Typical Applications
- Equipment requiring frequent repositioning or mold changes
- Automated modules and guide tracks with precision alignment needs
- Medical, laboratory, and inspection equipment
- Modular assembly lines with high-frequency adjustments
- Safety-critical environments demanding reliable positioning
OEM / ODM Customization Support
UJEN provides OEM and ODM support for lock-out pull pins with clamping knob, including customization of pin diameter, stroke length, lock-out angle, clamping force, and knob design. Our engineering team works closely with customers to ensure safe, reliable performance in precision and safety-critical applications.
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.
Small Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 6mm, D21, pin4
PSK300F-2108060406
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Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 6mm, D21, pin5
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Hold-open functionality ensures easy part positioning without manual strain. Oversized plungers...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 6mm, D21, pin6
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Compact rest-latch design keeps the pin pulled so you can adjust other components. For small...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 10mm, D21, pin4
PSK300F-2108100406
A small hold-and-stay plunger that simplifies complex multi-step assemblies. If you need a plunger...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 10mm, D21, pin5
PSK300F-2108100506
The mini stay-pull mechanism reduces repeated pulling in tight workspaces. Small semiconductor...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 10mm, D21, pin6
PSK300F-2108100606
A rest-slot micro pin providing a practical pause feature for operators. For limited-space...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 15mm, D21, pin4
PSK300F-2108150406
A short-stroke plunger with a convenient dwell notch for mid-operation stops. Without a stay-pulled...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 15mm, D21, pin5
PSK300F-2108150506
A mini detent plunger that locks in place, enhancing safety and control. If screw or center...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 15mm, D21, pin6
PSK300F-2108150606
A quick-lock solution with a rest groove, perfect for multi-position fixtures. For microstructures...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin4
PSK300F-2108200406
Compact plunger design holds the pulled position for precise equipment adjustments. Need a spring...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5
PSK300F-2108200506
This small plunger with rest mode cuts down on operator fatigue and errors. If your small medical...
Details Add to ListSmall Indexing Plunger with Circle Plastic Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin6
PSK300F-2108200606
A hold-open mini pin ensures stable device calibration, step after step. In semiconductors...
Details Add to ListLock-out Pull Pins with Clamping Knob | Enhance Your Equipment with Durable Knob Screws for Easy Adjustment"
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Lock-out Pull Pins with Clamping Knob, 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.













