Overview
Dowel pins are precision cylindrical fasteners used for alignment, positioning, and secure assembly in machinery, tooling, and engineered equipment. Designed for tight-tolerance applications, dowel pins ensure repeatable component placement and structural integrity in high-performance assemblies.
Offshore Milling & Sourcing supports bulk and factory-direct sourcing programs for precision dowel pins, serving OEM manufacturers, equipment producers, automotive suppliers, and industrial distributors requiring dimensional accuracy and scalable production.
We provide structured import programs aligned with recurring production schedules, container consolidation, and secondary supplier strategies.
Types of Dowel Pins Available
- Hardened Ground Dowel Pins
- Precision Ground Dowel Pins
- Metric Dowel Pins
- Stainless Steel Dowel Pins
- Taper Pins
- Pull-Out Dowel Pins
- Custom Per-Print Pins
Specifications
- Standard (Inch): ASME B18.8.2
- Standard (Metric): ISO 8734 / DIN 6325
- Tolerance Class: Precision ground
- Diameter Range: 1/16″ – 1″ (Metric M2 – M30 available)
- Length Range: Standard and custom lengths available
- Hardness (Hardened Pins): Typically Rockwell C 58–62
- Configuration: Straight cylindrical
Materials
- Hardened Alloy Steel
- Carbon Steel
- Stainless Steel 303
- Stainless Steel 304
- Stainless Steel 316
- Specialty alloys upon request
Material selection is driven by load requirements, corrosion exposure, and application environment.
Finish & Surface Options
- Plain / Ground Finish
- Black Oxide
- Passivated Stainless
- Zinc Plated (non-hardened applications)
- Custom protective coatings available
Precision surface finish is critical to alignment performance and repeatability.
Industries Served
- Machinery Manufacturing
- Automotive Production
- Industrial Equipment
- Tool & Die Manufacturing
- Aerospace Ground Equipment
- Agricultural Equipment
- Automation & Robotics
- Heavy Equipment OEMs
Applications
- Component alignment
- Die and mold positioning
- Shaft positioning
- Gear and pulley alignment
- Assembly location control
- Precision equipment mounting
Dowel pins are commonly used in applications where dimensional repeatability and shear resistance are required.
Strategic Sourcing Capabilities
Precision pin programs require consistent tolerance control and dependable material quality.
Offshore Milling & Sourcing supports:
- Factory-direct precision manufacturing programs
- High-volume production runs
- Metric and inch consolidation
- Secondary supplier sourcing
- Volume-based pricing structures
- Custom per-print manufacturing collaboration
We frequently assist OEMs seeking stable supply, consistent hardness control, and dimensional repeatability across recurring production cycles.
Volume & Packaging Options
- Bulk cartons
- Protective tube packaging
- Custom-labeled packaging
- Mixed SKU container programs
- Scheduled recurring imports
Request a Quote
To request dowel pin pricing, please provide:
- Diameter
- Length
- Material
- Hardened or non-hardened
- Tolerance requirement (if specified)
- Quantity
- Delivery timeline
Engineering drawings may be uploaded with your RFQ.



