CNC-Milled Stainless Steel Arc-Groove Dowel Pin
The Stainless Steel Arc-Groove Dowel Pin is a high-precision custom-engineered pin that integrates multiple functions, including positioning, guiding, limiting, and fastening. It is widely used in automation equipment, mechanical assemblies, molds and fixtures, medical devices, electronic equipment, and other high-end industrial applications.
Manufactured through a combination of CNC turning, milling, drilling, and precision machining processes, this custom pin features excellent dimensional accuracy, structural stability, corrosion resistance, and a refined appearance. Its design is based on common industrial shaft pins and custom fastening solutions widely used in precision engineering applications.
Product Features
1. Precision Arc-Groove Design
The side of the pin features a precisely machined arc-shaped groove, providing several functional advantages:
- Fast positioning and guidance
- Improved assembly stability
- Reduced contact wear
- Enhanced motion and alignment accuracy
The smooth arc transition effectively minimizes stress concentration, helping to extend the service life of the component.
2. High-Precision CNC Machining
Produced using advanced CNC milling machines, machining centers, and multi-process precision manufacturing technologies, the pin offers:
- Excellent concentricity
- Superior surface finish
- Consistent dimensional accuracy
- Reliable performance in precision assemblies
Ideal for automation systems and demanding mechanical applications.
3. Premium Stainless Steel Materials
Available in:
- SUS303
- SUS304
- SUS316
- SUS420
These materials provide outstanding:
- Rust resistance
- Corrosion resistance
- Wear resistance
- Mechanical strength and stability
Suitable for humid, high-temperature, chemical, and other demanding operating environments.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Stainless Steel Arc-Groove Dowel Pin |
| Product Category | Custom Precision Shaped Pin |
| Manufacturing Process | CNC Turning / Milling / Drilling / Precision Machining |
| Material Options | SUS303 / SUS304 / SUS316 / SUS420 |
| Surface Finish | Natural Passivation / Electropolishing / Precision Grinding |
| Size Range | Customizable |
| Tolerance | ±0.01 mm (Custom Available) |
| Functions | Positioning / Guiding / Limiting / Fastening |
| Custom Manufacturing | Available According to Drawings or Samples |
Product Advantages
High Precision
Manufactured using advanced CNC equipment to ensure dimensional consistency and assembly accuracy.
Superior Appearance
Carefully finished surfaces provide an attractive metallic appearance while minimizing burrs and surface imperfections.
Excellent Durability
Premium stainless steel materials offer exceptional corrosion resistance and mechanical strength, ensuring long-term reliability without deformation or rust.
Supports Complex Custom Geometries
Custom machining capabilities include:
- Arc grooves
- U-shaped grooves
- Cross holes
- Stepped shafts
- Eccentric structures
- Special non-standard profiles
Suitable for a wide range of complex industrial applications.
Applications
The Stainless Steel Arc-Groove Dowel Pin is widely used in:
- Automation machinery
- Precision molds and dies
- Medical devices
- Industrial fixtures and tooling
- Electronic equipment
- Automotive components
- Aerospace equipment
- Precision transmission systems
Particularly suitable for applications requiring accurate positioning, reliable guidance, and stable mechanical connections.
Custom Manufacturing Services
We provide:
- Custom machining from drawings
- Custom manufacturing from samples
- Prototype production
- Small-batch manufacturing
- High-volume production
Customizable options include:
- Material selection
- Dimensions
- Groove configurations
- Hole diameters
- Tolerance requirements
- Surface treatments
Tailored solutions are available to meet the specific needs of various industrial sectors.
Product Notice
This product is a custom precision CNC-machined component. Images and specifications shown are for reference only. Final dimensions, tolerances, and manufacturing requirements shall be based on customer drawings or samples.
Material selection and machining solutions can be customized according to the actual operating environment to satisfy specific requirements for strength, corrosion resistance, wear resistance, and assembly performance.
Manufacturer: Hetai Fasteners
Origin: Dongguan, China (Made in China)
Product Type: Custom CNC Machined Stainless Steel Arc-Groove Dowel Pin
OEM & ODM Services Available








