Pro-werks Quarter-Turn Dzus Buttons, Pack of 10

0.406 in. Shank Diameter 0.700 in. Head Diameter Available in Aluminum or Zinc-plated Steel. How to Measure Dzus Button Grip Length Grip length is measured from the button rim surface in contact with the surface of the panel (A) to the actual fastened point of the spring (B). Button diameter is (C). Shake, Rattle and Roll. Keep it all together with the correct fasteners! Whether you are fabricating body panels from scratch, or already running down the strip at 300 MPH, Pro-werks has the gear to get the job done right. These self-locking fasteners are widely used for fastening panels and hoods. They provide an easily operated, positive acting, shake proof fastener. Several styles to choose from. All are functional for steel, aluminum, and fiberglass installations. When possible, simplify your assembly by using common length buttons to accommodate material thickness stack up, adjust the installed spring height for desired tension. Conveniently packaged in quantities of 10 and it never hurts to have a spare button or two in the tool box either! The Right Parts for the Job We offer various sizes of Dzus Springs, Doubler Plates and Weld-on Plates to complete your installation. Click the image to see our large selection of Dzus related items.   The Right Tools for the Job Check out our large selection of Pro-werks panel fastener accessories - you’ll find what you know you need and more. The Dzus wrench is functional and sexy.  Quality dimple dies and transfer punches are handy tools, too. And the Cleco Fastener & Pliers kit makes panel fabrication easy - it’s like having a third hand to hold your work steady.  Click the image to see our large selection of fastener tools. What are Dzus Fasteners? The Dzus fastener, also known as a turnlock fastener or quick-action panel fastener, is a type of quarter-turn spiral cam lock fastener often used to secure skin panels on aircraft and other high-performance vehicles.  Dzus fasteners are also used to secure doors, and plates that require frequent removal for inspection and servicing. These twist lock fasteners are unique with their "over-center" design, requiring positive sustained torque to unfasten. Any minor vibration disturbance to the fastener will tend to correct itself rather loosening. These specialty turnlock fasteners are available in different styles and sizes, and are typically referred to by a manufacturer's trade name. Some of the most common are names used are Dzus, Camloc, and Airloc. (occasionally misspelled as Zeus fastener.)