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Internal Threaded Weld Stud
An internal threaded weld stud is a type of fastener designed for welding onto a metal surface. These studs have an internal thread, meaning the threading is inside the stud, allowing bolts or screws to be inserted into them. They are commonly used in applications where a permanent and secure threaded hole is needed on a metal part.
Typically made from steel, stainless steel, or other metals compatible with the welding process.
Internal threading allows for bolts or screws to be inserted and secured.
The base of the stud is designed to be welded onto the surface of another metal component.
Available in various diameters and lengths to suit different applications.
Commonly welded using techniques such as arc welding, stud welding, or resistance welding.
 
Threaded 
Internal Threads: The main feature is the internal threading, which allows bolts or screws to be inserted and secured. The threading can vary in pitch and diameter depending on the application.
Standards: Internal threads typically follow standard thread profiles, such as UNC (Unified National Coarse), UNF (Unified National Fine), or metric threads.
 
Weld Base
Flat Base: Most commonly, the base of the stud is flat, providing a large surface area for welding.
Weld Flange: Some studs come with a flange at the base, enhancing the weld strength and providing additional surface area.
The base is designed to be easily welded to compatible materials, usually metals like steel or stainless steel.
 
Body
The body of the stud can be solid or hollow, depending on the application requirements.
 
Types
Standard Internal Threaded Weld Studs: The most common type, featuring a cylindrical body with internal threads.
Flange-Type Weld Studs: Have an additional flange at the base for increased weld area and strength.
Projection Weld Studs: Feature small projections on the weld base to improve weld quality by concentrating the welding current.