Custom Dowel Pin Manufacturer for Precision Positioning & Component Alignment

 

Anhui Pins Metal Products Co., Ltd. is a dowel pins manufacturer and factory in China producing cylindrical precision pins for accurate positioning, alignment and repeatable assembly. We manufacture standard and custom dowel pins according to drawings, samples or specified dimensions, with control over diameter, length, tolerance, material, hardness, heat treatment and surface finish.

Our dowel pins can be manufactured to applicable standards such as DIN 6325 and ISO 8734, as well as customer-defined specifications for non-standard dimensions and assemblies requiring controlled pin-to-hole fits.

Precision Alignment
Consistent Batch Quality
Repeatable Assembly Accuracy
Tight Tolerance Manufacturing
Dowel Pins

Standards

Manufactured in accordance with recognized industrial standards.

Standard
Specification
Description
View PDF File
ISO
ISO 8734
Parallel Pins, of Hardened Steel and Martensitic Stainless Steel
ISO
ISO 2338
Parallel Pins, of Unhardened Steel and Austenitic Stainless Steel
ISO
ISO 8735
Parallel Pins with Internal Thread, of Hardened Steel and Martensitic Stainless Steel
DIN
DIN 6325
Parallel Pins
DIN
DIN 7979
Parallel Pins with Internal Thread
DIN
DIN 7
Parallel Pins
GB/T
GB/T 119.1
Parallel Pins, of Unhardened Steel and Austenitic Stainless Steel
GB/T
GB/T 119.2
Parallel Pins, of Hardened Steel and Martensitic Stainless Steel
GB/T
GB/T 120.2
Parallel Pins with Internal Thread, of Hardened Steel and Martensitic Stainless Steel
  • Internally Threaded Solid Dowel Pins
    Standards: ISO 8735 / DIN 7979
    Material: Carbon Steel / Alloy Steel / Stainless Steel
    Outer Diameter: Custom
    Length: Custom
    Internal Thread: Metric / Inch
    Thread...
  • Alloy Steel Dowel Pins
    Alloy Steel Dowel Pins are precision-machined solid pins designed for accurate positioning, alignment, and secure connection between mating components. Alloy steel construction provides high...
  • Hardened Ground Dowel Pins DIN 6325
    Type: Hardened & Ground Dowel Pin
    Diameter: Metric sizes according to DIN 6325; custom diameters available
    Length: Standard sizes available; custom lengths according to drawing...
  • ISO 8734 Dowel Pins
    Standard: ISO 8734
    Nominal Diameter: φ1 mm – φ20 mm
    Diameter Tolerance: m6
    Material: Through-Hardened Steel / Case-Hardened Steel / Martensitic Stainless Steel...
  • Hardened Steel Dowel Pins
    Material: Hardened Steel
    Hardness: Heat-Treated for Enhanced Hardness and Wear Resistance
    Diameter: Standard and Custom Diameters Available
    Length: Standard and Custom Lengths...
  • Ground Dowel Pins
    Diameter Range: Metric 0.8 mm – 50.0 mm / Inch 1/16" – 2" (m6, h6, h8 Tolerances Available)
    Length Range: 3.0 mm – 200.0 mm / Custom Cut-to-Length & Chamfers Upon Request
    Manufacturing...
  • Cylindrical Pin With Internal Thread
    Manufacturing Standards: DIN 7979 (Form D / Form A), ISO 8735 (Hardened)
    Outer Diameter Range (d): Metric 6.0 mm – 50.0 mm / Inch 1/4" – 2" (m6, h6, h8 Tolerances Available)
    Internal...
  • Parallel Pins With Female Thread
    Manufacturing Standards: DIN 7979, ISO 8735
    Diameter Range (d): Metric 6.0 mm – 50.0 mm / Inch 1/4" – 2" (m6 / h6 precision tolerances)
    Length Range (L): 16.0 mm – 200.0 mm
    Material...
  • Metal Dowel Pin
    Manufacturing Standards: ISO 2338 (Unhardened), ISO 8734 (Hardened / DIN 6325), DIN 6325,DIN 7
    Diameter Range (d): Metric 1.0 mm – 50.0 mm / Inch 1/16" – 2" (Precision m6, h6, m5...
  • Precision Dowel Pin
    Product Type: Precision Dowel Pin
    Applicable Standards: ISO 8734 / ISO 2338 / ISO 8735 / DIN 6325 / DIN 7979 / DIN 7
    Diameter: Precision Ground, Standard & Custom Sizes...
  • Solid Dowel Pins
    Diameter:Custom diameter available
    Length:Custom length available
    Material:Carbon Steel / Hardened Steel / Stainless Steel
    Hardness:Customized heat treatment
    Surface...
  • Stainless Steel Dowel Pins
    Applicable Standards: ISO 8734 / ISO 2338 / ISO 8735 / DIN 6325 / DIN 7979 / DIN 7
    Material: Austenitic Stainless Steel / Martensitic Stainless Steel, According to Applicable...
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Custom Products Solutions

Custom Dimensions

Custom Dimensions

Flexible production support for custom diameters, lengths, chamfer structures, and non-standard pin configurations.

Material Options

Material Options

Available in carbon steel, alloy steel, stainless steel, and hardened materials for different operating conditions.

Surface Finishing

Surface Finishing

Electroplating, phosphating, or other coating processes; post-processing hydrogen removal treatment.

Shipped in its natural color with added protective lubricating oil.

OEM Production Support

OEM Support

Stable mass production capability with batch consistency, traceability control, and OEM packaging support.

Precision Manufacturing

Precision Manufacturing Workshop and High-Precision Dowel Pin Production

Lean Manufacturing

Demand-driven production planning to optimize inventory turnover and shorten lead times.

Quality Management System

End-to-end quality control across the entire manufacturing process to guarantee zero-defect standards.

Dowel Pin Manufacturing Process

Precision Material Blanking for Solid Pins

Precision Cutting & Blanking

High-precision CNC cutting for exact sizing, ensuring uniform raw blank dimensions.

Outer Diameter Rough Grinding Process

Outer Diameter Rough Grinding

Pre-grinding phase leaving tight stock allowances to prepare for high-precision fine grinding.

End Chamfering and Turning Process

End Chamfering & Turning

Removes end-face burrs and machines smooth lead-in chamfers for seamless assembly.

Heat Treatment Quenching and Tempering

Heat Treatment

Quenching refines microstructure and increases hardness; tempering relieves internal stress for durability.

High-Precision Centerless Fine Grinding

Precision Fine Grinding

Ensures exact outer diameter dimensional tolerances and superior surface roughness (Ra) standards.

Surface Polishing and Deburring Process

Surface Polishing

Utilizes premium abrasives and compounds to eliminate minor surface imperfections and burrs.

Anti-Rust Oil Coating and Centrifugal Drying

Anti-Rust Coating

Applies specified rust-preventative oils followed by centrifugal spin-drying for a clean coating.

Quality Sorting and GP12 Inspection

Sorting & Quality Inspection

100% visual sorting prior to packaging; stringent GP12 containment inspection available upon request.

With abundant experience, we are one of the most professional dowel pins manufacturers and suppliers in China. Please rest assured to buy high quality dowel pins made in China here from our factory. For custom service and OEM&ODM service, contact us now.

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