DIN 939 Metal End, Double End Stud (1.25d) by Material, Finish and Size

Double End Studs or Double end Stud Bolts are threaded rods with thread at both ends and a plain shank equal to that of the nominal diameter. Double end studs are used for high strength bolting. Commonly used for automotive or industrial applications.

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Since a double end stud bolt has threads on both ends, it can more easily be used to fasten two flanges. They're usually used to join flanges or pipes together. Thread length varies depending on the application. To accommodate a nut, studs have equal length threads on both ends and are threaded to a class 2A fit. The average length of the stud is determined. These are corrosion resistant and operate smoothly, as well as being durable. Austenitic, martensitic, ferritic, and a variety of other elements make up this composition. During the tightening process of a double ended studs, washers are used to protect the joint surface from damage.
Common applications of Double Ended Studs are:

• • Wind Towers
• • Nuclear Power
• • Railway
• • Automotive
• • Construction
• • Machinery

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