Aluminum 6061 T6 flat washers offer good corrosion resistance and durability while maintaining a lightweight and low density.

Aluminum 6061 is an alloy composed mainly of aluminum with magnesium and silicon added. The T6 designation indicates that the metal is heat treated and artificially aged.

Aluminum 6061 T6 CharacteristicsAluminum 6061 t6 flat washers

  • Good machinability and weldability
  • Structural strength and toughness
  • High resistance to corrosion
  • Lightweight
  • MilSpec compliant

KD Fasteners, Inc.’s Aluminum 6061 T6 flat washers’ high strength-to-weight ratio makes it a perfect fit for many applications.


  • Aircraft
  • Boats
  • Watercraft
  • Bicycles
  • Heat exchangers
  • Air coolers
  • Heat-sinks
  • Hydraulic piping and tubing
  • Cameras
  • Marine
  • Electrical
  • Automobile parts
  • Appliances
  • Railway structures

We can manufacture Aluminum 6061 T6 flat washers to the specific dimensions and plating that you need. We offer off-the-shelf sizing ranging from 0.062 to 12 inch inside diameter and thicknesses from 0.002 to ½ inch.

Standard line:

  • USS
  • SAE
  • Fender washers
  • Type B flat washers
  • Special sizes can be manufactured

Metric line:

  • Din 125 A/B flat washers
  • Din 433 small series flat washers
  • Din 9021 fender washers
  • Special sizes can be manufactured 

Whatever Aluminum 6061 T6 flat washer you’re looking for, if we don’t have it on our shelf, we can quickly manufacture if for you. Our washer manufacturing capabilities range from small (under 100 pieces) to large runs. We will custom make your Aluminum 6061 T6 flat washers to your exact specifications. Contact us today by calling 1-800-736-5014 or filling out our contact form.