From aircraft to railway structures, KD Fasteners, Inc.’s line of aluminum 6061 T6 heavy hex bolts is a great option.

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 Heavy Hex Bolts Aluminum 6061 T6 Characteristics

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


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

Aluminum 6061 T6 heavy hex bolts are custom made with a quick turnaround time. Available in standard (inch) and metric sizing. Standard sizes are available up to 4-inch diameter and custom sized diameter goes up to 3 ½ inches. We also offer imported and domestic brands and full plating options. Whether you need a standard or custom size, KD Fasteners has a solution for you. Contact us today by calling 1-800-736-5014 or filling out our contact form.