From my factory in China, I supply dowel pin stainless steel that meet tight tolerances for precise assemblies. As a China Manufacturer I know B2B buyers need reliable, corrosion resistant fasteners that fit tight fits. Our dowel pin stainless steel is precision ground, with smooth finish, and tight diameter tolerance. I offer A2-70 (304) and A4-70 (316) options, standard diameters from 1.0 to 10.0 mm and lengths up to 100 mm, with chamfered ends or knurled ends. We can do heat treatment, special coatings, and custom packaging in reels or bulk. You can tell me your spec and I tailor to it: finish, tolerance, drive type, coating. Why choose me? Because as a China Manufacturer I provide short lead times, stable quality control, and responsive service. Contact me for samples and quotes; I value long term partnerships and I ship worldwide.
Stainless steel dowel pins are essential for precise alignment, load transfer, and repeatable assemblies. When service is backed by engineering expertise and disciplined processes, these pins deliver consistent hardness, corrosion resistance, and dimensional stability from prototype to mass production. A capable supplier guides global buyers through material choices (304/316 variants), finishes, and tolerances, offering design input, rapid prototyping, and flexible lot sizes for a wide range of applications. Beyond parts, the value lies in end-to-end support: traceability, compliance with international standards, reliable lead times, and rigorous inspection at every stage. Tight process controls—heat treatment, surface finishing, and post-process checks—minimize misfit risk and downtime. Global buyers benefit from scalable production, consistent quality, and safe packaging and shipping that protect integrity in transit. A partner that combines technical mastery with dependable service consistently outperforms the competition.
| Variant | Grade | Diameter (mm) | Length (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HRC) | Surface Finish (Ra μm) | Tolerance (mm) | Corrosion Resistance | Operating Temp Range (°C) | Standards & Certifications |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A1 | 304 | 3.0 | 25 | 505 | 205 | 22 | Ra 0.25 μm | ±0.05 | Excellent | -200 to 800 | ISO 9001; RoHS |
| B2 | 316 | 4.0 | 40 | 550 | 210 | 28 | Ra 0.3 μm | ±0.05 | Excellent | -150 to 850 | ISO 9001; RoHS; REACH |
| C3 | 304 | 5.0 | 60 | 505 | 205 | 25 | Ra 0.4 μm | ±0.05 | Excellent | -60 to 700 | ISO 9001; REACH |
| D4 | 420 | 2.5 | 15 | 490 | 180 | 48 | Ra 0.6 μm | ±0.04 | Good | -100 to 650 | ISO 9001; RoHS |
| E5 | 316L | 6.0 | 45 | 580 | 210 | 29 | Ra 0.3 μm | ±0.05 | Excellent | -150 to 900 | ISO 9001; RoHS; REACH |
| F6 | 304 | 8.0 | 32 | 520 | 200 | 23 | Ra 0.25 μm | ±0.04 | Excellent | -180 to 750 | ISO 9001; RoHS |
| G7 | 316 | 10.0 | 50 | 550 | 205 | 26 | Ra 0.35 μm | ±0.05 | Excellent | -180 to 900 | ISO 9001; RoHS; REACH |