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What are Double Ended Metric Studs, Class 10.9 Hardened Steel?
Double ended metric studs are threaded studs with external metric threads on both ends and an unthreaded center section. One end is typically installed into a tapped hole or threaded component, while the opposite end provides a threaded attachment point for a metric nut or other component. These studs are useful when a strong threaded connection is needed while allowing the attached component to be easily installed, removed, or serviced.
These are special articles that vary dimensionally from the DIN and ISO dimensional standards for double ended studs, including standards such as DIN 938 and DIN 939.
What material and finishes are available for these Double Ended Metric Studs?
These studs are manufactured from hardened Class 10.9 high-strength steel and are available in either plain steel or zinc plated finishes.
Plain steel is uncoated and provides the original steel surface, making it a practical choice for dry, protected environments or applications where the stud will receive a separate coating or corrosion treatment.
Zinc plating adds a protective layer that improves corrosion resistance and provides a cleaner, more finished appearance, making zinc plated studs better suited for applications where exposure to moisture, humidity, and general atmospheric corrosion is a concern.
For high-strength fasteners, the appropriate zinc-plating process and post-plating treatment should be considered as part of the application requirements.
Why choose Class 10.9 Hardened Steel Double Ended Metric Studs?
The double ended design provides a convenient way to create a strong threaded connection while allowing the attached component to be secured with a nut. The hardened Class 10.9 steel construction makes these metric studs suitable for applications requiring high mechanical strength and durable threaded connections.
Choose plain steel when the stud will be used in a dry or protected environment or when a separate surface treatment is preferred; choose zinc plated steel when additional corrosion protection and a finished appearance are beneficial.
Where are Double Ended Metric Studs commonly used?
Class 10.9 hardened steel double ended metric studs are commonly used in machinery, automotive components, motorcycles, engines, transmissions, industrial equipment, machine tools, fixtures, jigs, automation equipment, robotics, electrical equipment, instrumentation, pumps, motors, gearboxes, brackets, housings, and mechanical assemblies.
They are particularly useful for attaching covers, panels, brackets, mounting plates, guards, manifolds, flanges, and other removable components to tapped holes where a conventional bolt may not be practical.
Plain steel versions are well suited to dry indoor machinery, protected equipment, and applications where a separate finish is specified, while zinc plated versions are commonly selected for general industrial equipment, automotive assemblies, agricultural machinery, construction equipment, outdoor machinery, maintenance, repair, and OEM manufacturing where improved resistance to moisture and general corrosion is desired.
