Custom Washers and Assembly Hardware

advancing what is possible


  • High Precision
  • Washer sizes from .05 to 4" OD for standard washers, OD’s and Thicknesses may be larger depending on quantity, configuration and manufacturing method
  • .001 to .125 thickness
  • Short & long run capabilities
  • Metallic & non-metallic materials

Make Seastrom Your Choice For Custom Washers and Assembly Hardware

Seastrom can manufacture custom washers and custom assembly hardware to help save time and money throughout the design process. Our skilled machinists can manufacture any non-standard flat washer sizes, in most industry thicknesses and shapes from flat to complex shapes, in virtually any ID/OD combination under 3” inside diameter (ID) and 4” outside diameter (OD).

To begin your custom-design process, all our engineering department requires are:
• Exact quantities
• Target pricing
• The ability to view the part and the entire assembly

In-House Engineering Services

Our in-house engineering department can work with your engineers to:
• Recommend manufacturing methods, materials, tolerances, and configurations
• Engineer new parts and products
• Propose economical purchasing & manufacturing processes
• Stock proprietary products for immediate delivery

Custom Engineering Capabilities

If you don’t have the capability in-house, our engineering staff can:
• Create part schematics
• Reverse engineer an existing part, even if you don’t have dimensions
• Provide estimates to ensure you stay within your per-part price range
• Offer design for manufacturing services to reduce cost
• Produce a single part or as many as you require

Contact Seastrom Manufacturing today to request a custom quote for unique washer or assembly hardware products.