CLASS X TOLERANCE – RH – STEEL
Class
2A, 3A
Root Relieved Thread Ring Gages
Thread ring gages are root relieved for longer and more accurate gaging life. A root clearance at the major
diameter eliminates any possibility of interference from the full form of the setting plug and major diameter of
the part being checked. This gives assurance that flanks of thread are making proper contact.
- Graphitic tool steel for superior quality and longer wear
- Heat treated and cold treated for extreme stability.
- Lapped for extra precision and longer wear.
Example : 1/4-20 UNC 2A , 1/4-28 UNF 3A and etc
