As an aluminum hex bolt supplier, we provide light weight and corrosion resistant aluminum hex head bolts that are easy to clean and require almost no maintenance. KD Fasteners, Inc.’s aluminum hex head bolts, also known as Hex Cap Screws, are the perfect option for your budget build.

Aluminum hex head bolts are not only less expensive than their stainless-steel counterparts, but their lack of maintenance make them an economical choice in the long run. Though naturally a soft material, aluminum can also be hardened to provide you with the strength you’re looking for. The aluminum hex bolt is a viable option for wood, steel and other industrial applications. They are best suited for the aerospace, aircraft, military, chemical processing, and oil and gas industries.

Aluminum Hex Head Bolts Specifications & Options

  • Available in aluminum 2024 T4, 6061 T6, 7075 T6
  • Available in standard (inch) and metric
  • Imported and domestic brands available
  • Standard sizes available in ¼ inch to 2 ½ inch diameter
  • Custom manufacturing of larger sizes available
  • MilSpec compliant

Typical Aluminum Chemical Analysis

 Grade Cu* Si* Fe* Mn* Mg* Zn* Cr* Ti* Other* Al*
2024 3.80/4.9 .50 Max. .50 Max. .30/.90 Max. 1.20/1.80 Max. 0.25 0.1 0.15 .15 Max Remainder
6061 .15/.40 .40/.40 .70 Max .15 Max. .80/1.2 .25 Max. .04/.35 0.15 --  Remainder
7075 1.20/2.20 Max .40 Max .50 Max. .30 Max 2.10/2.90 Max 5.10/6.10 Max. .18/.28 .20 Max .15 Max Remainder

*Chemical analysis will vary on each heat number

Typical Aluminum Mechanical Properties

 Grade Tensile Strength (PSI) Yield Point (PSI) Elongation Brinell Hardness
2024 68,000 47,000 *20 120
6061 45,000 40,000   95
7075 83,000 73,000 11 150

* Chemical Analysis will vary on each heat number