Ranking is not in a particular order.
ISO 2338 Dowel Pins are precision cylindrical components designed for accurate positioning and alignment between two assembled parts. They are commonly installed into machined holes to maintain fixed locations during mechanical assembly. Compared with general fastening parts, these pins require strict control of diameter tolerance, length accuracy, material properties, and surface finish.
In industries such as automotive manufacturing, molds, industrial machinery, automation equipment, and mechanical fixtures, buyers usually select Dowel Pin Manufacturers based on their ability to control specifications, provide stable production, and support customized requirements.
China has become an important production area for precision fastening components. Many Dowel Pin Suppliers in China provide standard ISO products and OEM manufacturing services based on customer drawings, samples, or technical requirements.
This article introduces five companies related to ISO 2338 Dowel Pins and precision fastening components.
Top 5 ISO 2338 Dowel Pin Manufacturers in China
| Manufacturer | Location |
|---|---|
| Anhui Pins Metal Products Co., Ltd. | Anhui, China |
| Dongguan Qishi Precision Hardware Co., Ltd. | Guangdong, China |
| Ningbo Beilun Daqi Huakai Hardware Factory | Zhejiang, China |
| Jiaxing Top Machinery Co., Ltd. | Zhejiang, China |
| Wenzhou Yuhuang Fasteners Co., Ltd. | Zhejiang, China |
Anhui Pins Metal Products Co., Ltd.
Anhui Pins Metal Products Co., Ltd. specializes in precision metal fastening components, including Dowel Pins, Slotted Spring Pins, Tooth Spring Pins, and Coiled Spring Pins. The company focuses on manufacturing components used for positioning, alignment, and mechanical assembly applications.
As an ISO 2338 Dowel Pin Manufacturer, Anhui Pins Metal produces cylindrical positioning pins according to ISO standards and customer specifications. The ISO 2338 Dowel Pin is mainly used to locate and align two components during assembly, helping maintain repeatable positioning accuracy between parts.
For industrial buyers, selecting a suitable Dowel Pin Supplier requires evaluating dimensional control, material options, machining capability, and customization support. Anhui Pins Metal provides production based on drawings, samples, and specific application requirements.
The company supports different specifications of Dowel Pins, including various diameters, lengths, tolerances, and material options. Common materials include carbon steel, stainless steel, and alloy steel, allowing customers to select products according to mechanical load, corrosion requirements, and operating conditions.
The manufacturing process includes precision machining, heat treatment, surface finishing, and inspection procedures. These processes help maintain consistent dimensions and stable performance during batch production.
For customers looking for a Custom Dowel Pin Manufacturer, Anhui Pins Metal can produce non-standard pins according to OEM requirements. Custom projects may involve:
| Custom Requirement | Production Consideration |
|---|---|
| Diameter and length | Determines fitting accuracy and installation condition |
| Material selection | Influences strength, hardness, and corrosion resistance |
| Tolerance requirement | Affects positioning performance between components |
| Surface treatment | Improves surface protection and assembly performance |
The company also provides OEM production support for customers requiring customized Precision Pins. Buyers can provide technical drawings or product samples, and the manufacturer can adjust production according to specific application requirements.
The products are used in industries including automotive parts, machinery manufacturing, molds, industrial equipment, and mechanical assemblies where accurate positioning is required.
Dongguan Qishi Precision Hardware Co., Ltd.
Dongguan Qishi Precision Hardware Co., Ltd. is a Chinese manufacturer specializing in precision metal components and hardware parts. The company provides customized production services for industrial customers requiring accurate dimensions and stable manufacturing processes.
Its products are manufactured according to customer drawings and specifications, supporting different requirements for mechanical components and fastening applications.
Ningbo Beilun Daqi Huakai Hardware Factory
Ningbo Beilun Daqi Huakai Hardware Factory focuses on precision hardware manufacturing and customized metal parts. The company provides machining and production services for customers requiring customized components with specific size and performance requirements.
Its manufacturing capability covers different industrial hardware applications and OEM projects.
Jiaxing Top Machinery Co., Ltd.
Jiaxing Top Machinery Co., Ltd. is a Chinese supplier of precision mechanical components and hardware products. The company provides customized manufacturing services based on customer requirements, including component design support and production control.
It serves industrial customers looking for reliable supply of precision metal parts.
Wenzhou Yuhuang Fasteners Co., Ltd.
Wenzhou Yuhuang Fasteners Co., Ltd. specializes in fastening products and precision hardware manufacturing. The company provides various fastening solutions for industrial applications and supports customized production according to customer specifications.
What Specifications Should Buyers Confirm Before Ordering ISO 2338 Dowel Pins?
Before purchasing ISO 2338 Dowel Pins, buyers should confirm the required specifications according to the assembly structure, installation method, and working environment. A suitable supplier needs to understand how the pin will be used and provide products that match the required positioning accuracy.
The main specifications buyers should review include:
| Specification | Why It Matters |
|---|---|
| Diameter | Determines the fitting condition between the pin and the mating hole |
| Length | Affects installation depth and positioning performance |
| Tolerance | Controls assembly accuracy and repeatability |
| Material | Influences strength, hardness, and corrosion resistance |
| Surface Finish | Affects installation, friction, and service performance |
How Should Buyers Choose the Right Material for Dowel Pins?
Material selection directly affects the performance and service life of Dowel Pins. Different industrial applications require different material characteristics based on load conditions, operating environments, and corrosion exposure.
Common material options include:
| Material Type | Characteristics | Typical Application |
|---|---|---|
| Carbon Steel | Good mechanical strength and commonly used for general applications | Machinery assembly, industrial equipment |
| Stainless Steel | Better corrosion resistance and suitable for humid environments | Food equipment, outdoor equipment, chemical-related applications |
| Alloy Steel | Higher strength and wear resistance | Heavy-duty mechanical assemblies |
For standard industrial applications, carbon steel is often selected because it provides suitable strength for positioning functions. When the assembly environment includes moisture or corrosive factors, stainless steel Dowel Pins may be more suitable.
A professional ISO 2338 Dowel Pin Manufacturer should be able to provide different material options and explain how each material affects hardness, durability, and application performance.
Why Is Manufacturing Accuracy Important When Choosing a Dowel Pin Supplier?
Manufacturing accuracy is a key factor when selecting a Dowel Pin Supplier because these components are mainly used for precise positioning between parts.
The production quality of Precision Pins depends on several manufacturing factors:
- Diameter accuracy
- Length consistency
- Roundness control
- Surface finish
- Heat treatment process
- Inspection methods
During mechanical assembly, the pin and hole must work together with suitable clearance or interference conditions. Incorrect dimensions may cause installation problems, inaccurate positioning, or reduced assembly stability.
A qualified Precision Pin Manufacturer should have machining and inspection capabilities to maintain consistent product dimensions during batch production. Buyers should review whether the supplier can provide quality records, dimensional inspection reports, and production control information before placing orders.
Can an OEM Dowel Pin Manufacturer Provide Customized Solutions?
Many industrial buyers require customized Custom Dowel Pins instead of standard catalog products. OEM manufacturing allows customers to adjust product dimensions, materials, and processing requirements according to specific applications.
A capable OEM Dowel Pin Manufacturer should support:
- Custom diameter and length
- Special tolerance requirements
- Different material options
- Surface treatment selection
- Drawing-based production
- Sample development
For example, machinery manufacturers may require customized ISO 2338 Dowel Pins with specific dimensions to match their equipment structure. In these cases, the supplier needs to review technical drawings and confirm production feasibility before manufacturing.
Selecting a manufacturer with OEM experience helps buyers handle projects that require non-standard specifications, stable production capacity, and consistent quality control.
How Can Buyers Select a Suitable ISO 2338 Dowel Pin Supplier?
When selecting an ISO 2338 Dowel Pin Supplier, buyers should evaluate product specifications, manufacturing capability, customization support, and quality control processes. The supplier should understand requirements such as pin diameter, length, tolerance, material, and surface treatment.
For OEM projects, buyers should check whether the manufacturer can produce Custom Dowel Pins according to drawings, samples, or specific application requirements. This is important for mechanical assemblies that require accurate positioning between components.
Anhui Pins Metal Products Co., Ltd. provides standard and customized Dowel Pins for different industrial applications. The company supports OEM production and can adjust product specifications based on customer requirements.
Key factors buyers should consider include:
| Selection Factor | Details |
|---|---|
| Product Capability | Provides ISO 2338 Dowel Pins and related precision components |
| Customization Ability | Supports drawings, samples, and non-standard specifications |
| Manufacturing Process | Includes machining, heat treatment, and inspection control |
| Quality Control | Maintains dimensional accuracy and production consistency |
For buyers searching for a Dowel Pin Manufacturer in China, choosing a supplier with precision manufacturing experience can help ensure that the selected products meet assembly requirements and application conditions.





