Rods & Studs
A threaded rod, also known as a stud, is a relatively long rod that is threaded on both ends; the thread may extend along the complete length of the rod. They are designed to be used in tension. Threaded rod in bar stock form is often called all-thread.
For studs that are not completely threaded, there are two types of studs: full-bodied studs, and undercut studs. Full-bodied studs have a shank equal to the major diameter of the thread. Undercut studs have a shank equal to the pitch diameter of the screw thread. Undercut studs are designed to better distribute axial stresses. In a full-bodied stud the stresses are greater in the threads than in the shank.
Undercut studs (Rolled Thread) are also stronger because the metal is "rolled" up to the major diameter, not removed. This does not disturb the grain of the steel. Full bodied studs (Cut Thread) are weaker because metal is removed to create the thread, disturbing the grain of the steel.
Undercut studs are only required in applications where the stud is exposed to fatigue.*
Threadall Manufacturing Capabilities include:
- Roll Thread and Cut Thread on Solids or Pipe
- From #2-56 to 4 ½" Diameter
- UNC, UNF and 8 Pitch
- Acme in both Full and Stub formats
- Metric and Contour Tylag (coil) Threads.
All Threads are available in Right and Left Hand.
- Special Pitches available.
- High Production Equipment for Threading Fully Threaded Studs,
- High Production Equipment for Double Ended Studs and Single
- Lengths up to 20 feet for Roll Thread
- Lengths up to 40 feet or longer in Cut Thread depending on mill availability.
Please contact us for additional information and pricing
Threadall Manufacturing Company - ISO 9001:2008 Certified