Pull Ring Retractable Spring Plunger -No Locking
PDM
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Features of Retractable Spring Plunger - No Locking
Retractable Indexing Plunger Title:
High Precise Retractable Indexing Plunger No Locking retractable plunger
Hand Retractable Spring Plunger Introduction:
Main features of the product:
Pull Ring: The circular design facilitates finger pulling and manual control of plunger contraction.
Plunger: A spring-loaded metal rod (such as stainless steel or carbon steel) that provides positioning pressure.
Material and Craftsmanship
Material: Stainless Steel or Carbon Steel can be selected, balancing corrosion resistance and strength.
Surface treatment:
Stainless steel is polished in plain color;
Carbon steel can be coated with either Black Ring or Zinc Plated
Model Number:
Plunger Pin Dia.:4.0mm,5.0mm,6.0mm,8.0mm
Thread Size:M6,M8,M10,M12
Exposed Pin Height (S):4.0mm,5.0mm,6.0mm,8.0mm
Pull Ring Dia.:14.0mm,18.0mm,24.0mm,30.0mm
End Pressures Strat:3.0lbs,5.0lbs,6.0lab
End Pressures Full:12.0lbs,24.0lbs,21.0lbs,22lbs

| Carbon Steel | Stainless Steel | End Pressures (lbs) | ||||||||
| Part No. | Part No. | Start | Full | d1Thread | d | S | L1 | L2 | D | J |
| MRP006-C | MRP006-S | 3.0 | 12.0 | M6 | 4.0 | 4.0 | 12.0 | 4.5 | 14.0 | 3.0 |
| MRP008-C | MRP008-S | 5.0 | 24.0 | M8 | 5.0 | 5.0 | 16.0 | 6.0 | 18.0 | 4.0 |
| MRP010-C | MRP010-S | 5.0 | 21.0 | M10 | 6.0 | 6.0 | 20.0 | 7.5 | 24.0 | 5.0 |
| MRP012-C | MRP012-S | 6.0 | 22 | M12 | 8.0 | 8.0 | 24.0 | 9.0 | 30.0 | 6.0 |
Application:
Positioning and indexing: achieving rapid indexing and positioning of workpieces in molds and fixtures;
Safety device: a manually released safety lock buckle in mechanical equipment (such as a "Safety Pull Ring");
Frequent adjustment scenarios: scenarios where production line fixtures and automation equipment need to be repeatedly adjusted in position;

Product Definition and Details
Product Definition Explanation
Pull Ring: A circular handle that triggers plunger contraction by manually pulling it;
Retractable: The plunger automatically pops out and resets after the tension is removed;
No Locking: No locking function, relying entirely on spring reset force to maintain position;
Features of Retractable Spring Plunger - No Locking
Retractable Indexing Plunger Title:
High Precise Retractable Indexing Plunger No Locking retractable plunger
Hand Retractable Spring Plunger Introduction:
Main features of the product:
Pull Ring: The circular design facilitates finger pulling and manual control of plunger contraction.
Plunger: A spring-loaded metal rod (such as stainless steel or carbon steel) that provides positioning pressure.
Material and Craftsmanship
Material: Stainless Steel or Carbon Steel can be selected, balancing corrosion resistance and strength.
Surface treatment:
Stainless steel is polished in plain color;
Carbon steel can be coated with either Black Ring or Zinc Plated
Model Number:
Plunger Pin Dia.:4.0mm,5.0mm,6.0mm,8.0mm
Thread Size:M6,M8,M10,M12
Exposed Pin Height (S):4.0mm,5.0mm,6.0mm,8.0mm
Pull Ring Dia.:14.0mm,18.0mm,24.0mm,30.0mm
End Pressures Strat:3.0lbs,5.0lbs,6.0lab
End Pressures Full:12.0lbs,24.0lbs,21.0lbs,22lbs

| Carbon Steel | Stainless Steel | End Pressures (lbs) | ||||||||
| Part No. | Part No. | Start | Full | d1Thread | d | S | L1 | L2 | D | J |
| MRP006-C | MRP006-S | 3.0 | 12.0 | M6 | 4.0 | 4.0 | 12.0 | 4.5 | 14.0 | 3.0 |
| MRP008-C | MRP008-S | 5.0 | 24.0 | M8 | 5.0 | 5.0 | 16.0 | 6.0 | 18.0 | 4.0 |
| MRP010-C | MRP010-S | 5.0 | 21.0 | M10 | 6.0 | 6.0 | 20.0 | 7.5 | 24.0 | 5.0 |
| MRP012-C | MRP012-S | 6.0 | 22 | M12 | 8.0 | 8.0 | 24.0 | 9.0 | 30.0 | 6.0 |
Application:
Positioning and indexing: achieving rapid indexing and positioning of workpieces in molds and fixtures;
Safety device: a manually released safety lock buckle in mechanical equipment (such as a "Safety Pull Ring");
Frequent adjustment scenarios: scenarios where production line fixtures and automation equipment need to be repeatedly adjusted in position;

Product Definition and Details
Product Definition Explanation
Pull Ring: A circular handle that triggers plunger contraction by manually pulling it;
Retractable: The plunger automatically pops out and resets after the tension is removed;
No Locking: No locking function, relying entirely on spring reset force to maintain position;
PDM's custom screws and components, including non-standard screws, custom stainless steel screws, and thumb screws, have been recognized by a Spanish client in the pumps systems and solutions industry. The client visited PDM to secure multi-category cooperation, focusing on stainless steel Beverage mixer accessories and Stainless Steel Gas Manifold Fitting. The long-term partnership between the two parties is based on PDM's competitive costs, stable quality, fast delivery, and professional service. PDM looks forward to expanding cooperation with more customers from Spain and Europe.
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