Solid Dowel Pins

A solid dowel pin is a straight, solid-rod mechanical component used for fastening and positioning. Primarily utilized in mechanical assembly, it precisely aligns two or more parts, secures them in predetermined locations, and provides a structural reference point, strength, and stability. Due to their compact size yet significant utility, they are widely used in fields such as precision machinery, automation equipment, mold making, automotive engineering, aerospace, electronic instrumentation, and woodworking.

Classification by fit type:

Clearance fit (loose fit): The pin diameter is slightly smaller than the hole diameter, leaving a tiny gap. This allows for easy assembly and disassembly, making it suitable for temporary positioning, frequent removal/installation, or components sensitive to thermal expansion.

Transition fit (medium fit): Tolerances for the pin and hole are balanced, resulting in minimal clearance or interference. This offers a compromise between positioning accuracy and ease of assembly/disassembly, making it ideal for applications like high-precision flange alignment.

Interference fit (tight fit): The pin diameter is slightly larger than the hole diameter, requiring external force (such as press-fitting or thermal assembly) for installation. It provides high retention strength, making it suitable for applications involving heavy loads, intense vibration, or permanent fixation.

Classification by head design: Rounded head (facilitates insertion and lateral sliding), flat head (suitable for space-constrained areas), spherical head (prevents damage to the workpiece), etc.

Classification by shape:

Cylindrical dowel pin: The most common type; it features a cylindrical shape that allows for smooth tool release after installation, making it suitable for standard positioning tasks and scenarios requiring frequent assembly and disassembly.

Product Details

Premium Material Selection · Corrosion & Rust Resistance · Long-Lasting Durability

Smooth Surface & Burr-Free Finish

Smooth, Even Surface with No Burrs
Superior Craftsmanship
Strong & Durable

Chamfered Edge Design

Excellent Workmanship
High Strength & Long-Lasting Durability
Easy and Convenient Installation

Premium Surface Finish

304 Stainless Steel Material
Bright Silver Finish
Engineered for 20 Years of Reliable Surface Performance

Solid Dowel Pins Type

Stainless Steel Solid Dowel Pins

 Steel Solid Dowel Pins

Internally Threaded Solid Dowel Pins

Custom Solid Dowel Pins

Technical Specifications

Custom Manufacturing Capability

Typical Applications

Precision Ground Dowel Pins are widely used for precision positioning, alignment, and fixing applications where high accuracy, dimensional stability, and reliable mechanical performance are required. Manufactured for demanding industrial environments, they provide secure component alignment and long-term positioning performance across various industries.

Applications

● Precision Machinery & Automation
● Mold Manufacturing & Tooling Fixtures
● Automotive & Aerospace Components
● Electronics & Precision Instruments
● CNC Machining & Industrial Equipment

Manufacturing Process

Precision Cutting & Blanking 

Outer Diameter Rough Grinding 

End Chamfering & Turning 

Heat Treatment 

Precision Fine Grinding 

Surface Polishing 

Anti-Rust Coating 

Sorting & Quality Inspection 

Custom solid dowel pins manufacturer

Martensitic stainless steel & Steel Solid Precision solid dowel pins - Custom, Metric & Inch

 

Anhui Pins Metal Products Co., Ltd. specializes in the production of precision metal fasteners, including various types of Dowel Pins, Slotted Pins, Spring Pins, Coiled Spring Pins, Washers, Retaining Rings, Compression Limiters, and Trim Clips. Our products are widely used in automotive systems, new energy, industrial equipment, electrical components, furniture hardware, and mechanical fasteners.

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