Black Oxide Dowel Pins

black oxide dowel pins

Black oxide dowel pins are unique in that the black oxide coating prevents against rust while reducing friction. This reduced friction affords smooth functionality and causes less wear and tear, thus greatly enhancing the service life of moving parts. They are slightly oversized for a tight fit. Dowel pins are machined to tight tolerances. The holes that they go into are reamed holes also with a tight tolerance.

The black oxide coating also prevents galling and will not crack easily.  Manufactured to specification ASME B18.8.2. Available in multiple sizes, the standard specifications for the black oxide dowel pins that we offer are:

  • Diameter – 1/16” to 1 ¼”, 1.6 mm to 31.0 mm
  • Length – 3/32” to 10”, 3.0 mm to 254.0 mm
  • Fits – Press and slip

If you need dowel pins with different specifications than these, just let us know and we’ll gladly manufacture it based on your needs; at Suburban Industries, our expert team is capable of manufacturing custom dowel pins to suit your unique requirements.

Precision in manufacturing is the rule that we abide by. You can count on us to produce dowel pins of the exact size, length and tolerance to suit your distinctive project needs.

Our varieties include:

  • Fractional Dowel Pins
  • Metric Steel Dowel Pins
  • Undersized Dowel Pins
  • Oversized Dowel Pins
  • DFARS Dowel Pins
  • Hardened Dowel Pins
  • Ground Dowel Pins

The dowel pins we produce are highly resilient, thanks to an non-abrasive finish. Additionally, these products are lightweight and extremely versatile. Dowel pins are frequently utilized in several industrial applications, such as part alignment for surgical instruments and hydraulic valves, and the alignment of microscopes, cameras, and other research equipment

Browse through our Online Product Catalog to see the exact dimensions and specifications that we offer, and find a dowel pin that fits the distinct needs of your project. If you don’t know which product you need, feel free to ask one of our experts and we’ll be happy to guide you in the right direction—feel free to contact us at or (630) 766-3773 for more information.

Suburban Catalog