1, 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 preserves the grain of the steel, and in some cases even enhances it. 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. Cut threads are entirely suitable for many applications, even when rolled threads might be slightly stronger. Mass-produced fasteners (standard bolts and studs) are usually rolled, but jobbed parts with custom features and small lot sizes are likely to be cut.

  2. Where you can buy good quality and competitive price Threaded Rods?Jiaxing Relia is your correct choice! Jiaxing Relia Hardware is a professional supplier in fasteners and hardware with many years experience. Our factory has quite convenient transportation, which is about 80km far from Shanghai, 70km far from Hangzhou.

3. How is the quality of Jiaxing Relia’s Threaded Rods?Jiaxing Relia’s  Threaded Rods was offered Morgen USA, New Delhi Airport, and Europe Market. Our fastener is used for the railway, road, bridge, tunnel projects, steel structure factory houses, high- rise buildings, and aircraft storehouse. We have always uphold the responsibility is the guarantee of quality, quality is the life of brand.

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