Cylindrical Dowel Pins

Cylindrical Dowel Pins

Cylindrical pins are a standardized fastener with a cylindrical shape and flat or round heads at both ends. The surface is usually precision machined to have high dimensional accuracy and surface finish.
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Description

Product Introduction

 

Cylindrical Dowel Pins are precision-machined fasteners designed to provide accurate alignment and secure positioning of mating components.

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Parameters

 

Origin: Nantong, Jiangsu / Handan, Hebei

Product performance: fastening, sealing

Scope of application: light industry and construction industry

Packaging specifications: box, bag

Functional use: Mechanical fixation

Material: bearing steel

Implementation standard: GB

Surface treatment: natural color, colorless

 

 

Features

 

High Dimensional Accuracy

Manufactured to tight dimensional tolerances (often ±0.01–0.05 mm) for accurate part alignment in mechanical assemblies.

 

Durable Materials

Can be made from carbon steel for higher strength, or stainless steel for excellent corrosion resistance; all the materials can offer long service life.

 

Smooth Surface Finish

High-quality machining or grinding results in consistent surface finish, facilitating press-fit or slip-fit installation.

 

 

Applications

Positioning

Ensures precise alignment by limiting part translation or rotation within a plane; widely used in machine tools and precision equipment to maintain motion accuracy and prevent machining errors.

Connection

Acts as an auxiliary anti-rotation element when bolts alone are insufficient; commonly installed in pipe flanges, motor end covers, and housings to stabilize connections under vibration.

Torque Transmission

Transfers small torque in compact assemblies through interference-fit friction or shear; typical in toy motors, miniature pumps, and light-duty mechanical couplings.

Safety Shear Protection

Functions as a sacrificial component that shears under overload to protect critical equipment; used in belt conveyors where pin failure prevents motor and drum damage during jams.

 

 

FAQ

 

Q1: What materials are available for cylindrical dowel pins?

A1: Common materials include carbon steel, alloy steel, and stainless steel.

 

Q2: Is there a warranty on the product?

A2: All standard products come with a 12-month quality guarantee, during which replacement or refund is available upon confirmation of quality issues.

 

Q3: Can the product be customized for larger bulk orders?

A3: Yes - we offer OEM/ODM customization options including branding, packaging, and specification adjustments.

 

Q4: Does the product meet any industry standards?

A4: Yes - it is designed to comply with ISO 9001 and IATF 16949 certification for quality and safety.

 

 

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