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Many fastener companies tout their global reach, but at least one can now measure its success in galactic terms.

When the world sees images of NASA’s Curiosity rover on Mars, high-strength precision aerospace fasteners manufactured by Alcoa Fastening Systems are central to the success of the endeavor. 
Inconel 718 bolts and standard hexagon nuts produced at Alcoa’s Newbury Park facilities and Keensert Inserts manufactured at Alcoa’s Torrance plant were used in the construction of the rover — a car-sized, six-wheeled robot made mostly of aluminum.

“Alcoa’s high-strength fasteners connect the many structural components and attach equipment securely to the vehicle, and the threaded inserts are essential in transferring high tension and high loads into the lightweight base structure. Both the Inconel 718 bolts and hexagon nuts can withstand temperatures of up to 1,200 degrees Fahrenheit (650 degrees Celsius),” the company stated. 

“The Inconel 718 bolts also have excellent strength properties at elevated temperatures making them ideal for spacecraft, rocket motors, and turbines.”

“From Kitty Hawk to Mars and beyond, Alcoa solutions have helped shape every major advance in aviation,” declared CEO Klaus Kleinfeld. “More than 90% of aerospace alloys in use today were invented by Alcoa, and our fasteners, forgings or other products can be found on virtually anything that flies.”

Alcoa touted its involvement in NASA missions “from the first manned flight and the first moon landing to the Space Shuttle and International Space Station programs.” 

The Curiosity rover made its 352-million-mile journey from Earth to Mars, successfully landing on the Red Planet on August 6. 

Over the next two years, the $2.5 billion rover is expected to explore Gale Crater and the crater’s 3.4-mile-high central peak, Mount Sharp. To complete its mission, the six-wheeled robotic craft is outfitted with 10 different science instruments, including a rock-zapping laser and gear that can identify organic compounds. 

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Related Links:

• Alcoa