Slotted Toothed Spring Pins integrate precision interlocking teeth along the axial expansion seam, designed to provide superior anti-rotation resistance, enhanced radial tension, and structural locking strength for heavy-vibration mechanical joints. As a specialized Spring Pins Manufacturer, Anhui Pins Metal delivers high-durability toothed pins built to Q/PES standards and bespoke OEM specifications.
| Parameter Item | Specification & Option Details |
| Manufacturing Standards | Q/PES 002, Q/PES 003 |
| Diameter Range (d) | Metric: 2.0 mm – 20.0 mm | Inch: 1/16" – 3/4" |
| Length Range (L) | 6.0 mm – 150.0 mm |
| Structural Feature | Axial Interlocking Teeth for High Torsional Resistance & Radial Tension |
| Material Options | Spring Steel (65Mn / 60Si2Mn), Stainless Steel (SUS 304, 316, 420) |
| Surface Hardness | HRC 44–51 (Spring Steel) |
| Surface Treatments | Plain Oiled, Black Oxide, Zinc Plated, Phosphated, Passivated |
| Customization Service | We offer custom manufacturing of slotted toothed spring pins according to your specific requirements and drawings. |
Key Performance Advantages
Controlled Elastic Expansion
The slotted design allows the pin to compress during installation and expand after insertion, creating continuous radial force against the hole wall for stable retention.
Increased Surface Engagement
The toothed profile enhances contact between the pin and the mating component, increasing friction and improving resistance to axial movement.
Improved Resistance to Loosening
The combination of spring force and toothed engagement helps maintain a secure connection, reducing the risk of displacement during operation.
Reliable Performance Under Vibration
The enhanced retention mechanism makes these pins suitable for assemblies exposed to vibration, shock, and repeated mechanical loads.
Manufacturing Capability & Quality Assurance
- Precision Manufacturing Capability
With professional production experience and controlled manufacturing processes, we are able to produce precision pins with consistent dimensions and reliable performance for various industrial applications.
- Comprehensive Quality Inspection
Each production stage is monitored through material inspection, dimensional verification, and final product checks to ensure products meet customer specifications and quality requirements.
- Stable Production & Supply Support
Our production capabilities support both standard products and customized projects, providing consistent quality and reliable delivery for long-term OEM partnerships.
FAQ
What makes a slotted toothed spring pin different from a standard spring pin?
A slotted toothed spring pin combines the flexibility of a slotted structure with a toothed outer profile, providing improved engagement with the mating hole and enhanced resistance to movement compared with conventional designs.
In what situations should a toothed spring pin be selected?
It is suitable for applications where higher retention performance is required, especially assemblies exposed to vibration, repeated loading, or conditions where maintaining a secure connection is important.
How does the hole condition affect the performance of the pin?
Proper hole size, roundness, and surface condition are important factors affecting installation and retention performance. Correct matching between the pin and mating component helps achieve reliable assembly results.
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