Stainless Steel Dowel Pins
Stainless steel dowel pins offer excellent corrosion resistance, making them ideal for precision alignment in humid, chemical, or cleanroom environments. Sheng Fong Precision provides a wide selection of stainless steel materials, including SUS303, SUS304, SUS316, SUS420, and SUS630.
Depending on application requirements, heat treatment or passivation can be applied. We also support small-batch customization and tailored machining based on your specifications.
SUS304 General Purpose Dowel Pins
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Material: SUS304
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Chamfer: Deburred both ends
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Tolerance: Diameter (0/-0.02), Length ±0.2mm
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☑ In-stock
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Custom dimensions available
SUS304 Positive Tolerance Dowel Pins (ISO 2338)
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Material: SUS304
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Standard: ISO 2338
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Chamfer: 15° chamfer on both ends
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Tolerance: Diameter (m6), Length ±0.1mm
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☑ In-stock
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Custom dimensions available
DIN 6325 Custom Dowel Pins
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Material: SUS304
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Chamfer: As per DIN 6325 (15° + radius on ends)
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Tolerance:
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Diameter (h7), Length ±0.1mm
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Diameter (m6), Length ±0.1mm
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Fully customizable only
US316 Stainless Dowel Pins
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Material: SUS316
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Chamfer: Deburred both ends
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Tolerance: Diameter (0/-0.02), Length ±0.2mm
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☑ In-stock
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Custom dimensions available
SUS420 / SUS630 Hardenable Dowel Pins
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Material: SUS420 or SUS630
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Chamfer: Deburred both ends
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Tolerance: Diameter (0/-0.02), Length ±0.2mm
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Fully customizable only
Product Features
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Excellent corrosion resistance for use in automation, medical, and semiconductor assemblies
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Wide range of tolerance options (h6 / h7 / m6) for precise hole fits
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Available with various end types: internal threads (single/double), chamfers, anti-slip designs
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Fast lead times and support for small-batch customization
Material & Surface Treatment
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SUS303 / SUS304: Standard grade stainless steel; passivation optional for enhanced corrosion resistance
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SUS316: Superior corrosion resistance; ideal for medical and food-grade use; passivation optional
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SUS420: Heat-treatable; hardness up to HRC 50±2 for high-wear applications
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SUS630: Heat-treatable; excellent strength and dimensional stability under high loads
Size Range
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Diameter: Φ0.8mm to Φ30mm
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Length: Custom lengths available
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Machining Options: Single/double-end chamfering, internal threading, directional lead-in, and more
Applications
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Cleanroom machinery and medical device positioning
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Semiconductor equipment and assembly locking
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Automation fixture modules and alignment
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Precision positioning for electronic jigs and components
Customization & Notes
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Custom tolerance, end features, heat treatment, and passivation available per drawing
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PDF drawings recommended for accurate quote and faster processing
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In-stock standard items available for rush and low-volume orders