Saw Toothed Pins are a type of slotted spring pin featuring an alternating wave-shaped tooth profile along the slot area. The unique toothed structure provides controlled radial expansion and improved retention performance compared with conventional slotted spring pins.
The pin is designed as a headless, hollow cylindrical component with an axial slot and chamfered ends for easier installation. During insertion, the pin is compressed within the hole and generates continuous radial force through elastic recovery, creating a secure interference fit between the pin and mating components.
Key Structural Features
- Slotted Cylindrical Design:The axial slot allows the pin to compress during installation and expand after insertion, maintaining constant contact pressure against the hole wall.
- Wave Tooth Profile:The alternating tooth geometry enhances surface engagement and improves resistance against axial movement while helping distribute installation stress more effectively.
- Chamfered Ends:Chamfered edges facilitate smooth installation and reduce the risk of component damage during assembly.
Technical Specifications
| Standard | Specification | nominal diameter | Material | Custom Capability |
| Q/PES |
Q/PES 002 |
φ1-φ35 | steel & stainless steel | Customized spring pin solutions are available based on drawings and application requirements, including dimensions, materials, designs, and surface treatments for different industrial needs. |
| Q/PES |
Q/PES 003 |
φ2-φ50 | steel & stainless steel |




Tooth Spring Pin Manufacturing Process




Custom Saw Toothed Pins manufacturer
Anhui Pins Metal Products Co., Ltd is a professional manufacturer of precision pins and fastening components, specializing in Spring Pins, Dowel Pins, Slotted Pins, Coiled Spring Pins, and customized metal parts. We provide OEM solutions based on customer drawings and specifications, supported by precision machining, strict inspection processes, and reliable production capabilities. Our products are widely used in automotive, machinery, industrial equipment, and other applications requiring stable and accurate fastening performance.

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FAQ
Can you manufacture according to customer drawings or samples?
Yes, we support drawing-based production and custom manufacturing for different dimensions, materials, and technical requirements.
Are custom surface treatments available?
Yes, various surface treatments can be provided to improve corrosion resistance, durability, and application performance in different environments.
How do you ensure dimensional consistency in mass production?
We use mature manufacturing processes and advanced production equipment, combined with precision measuring instruments and strict quality control procedures, to ensure stable dimensional accuracy and consistent batch quality throughout mass production.
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