Seastrom is the original stocking manufacturer. Beyond our extensive standard, round flat washer catalog, we maintain thousands of stock tools to manufacture any non-standard flat washer sizes our customers should require. There is no tooling charge for any non-standard sizes within these parameters:

ID - Inside Dimensions from .020" to 3.00" OD - Outside Dimensions from .050" to 4.00" Industry standard thicknesses: Select a material Aluminum Brass Beryllium Copper Copper Phosphor Bronze Steel Stainless Steel Stainless Steel 316 Titanium Acetal Fiberglass Fibre Kapton Mica Mylar Neoprene Nylatron Nylon Phenolic Polyethylene PTFE PVC

Seastrom can produce custom washers in all industry standard thicknesses in our state-of-the-art stamping department and any non-standard thicknesses with our extensive machining capabilities. All standard washers can be manufactured in all industry standard thicknesses even if not listed in our online catalog.

To specify a thickness not listed for a Seastrom standard part number: Example: 5710-10-XXX (thickness) Add -5 for .005 thickness, -10 for .010 thickness, etc. 5710-10-5

Add your desired thickness and then submit for a quote. We will return it to you promptly.