Unit of Measure
Items
Unified National Extra Fine (UNEF) Thread Ring Gages

0.1948 Inch, 12-32 UNEF 2A GO Thread Ring
List Price $157.00

Unified National Extra Fine (UNEF) Thread Ring Gages

0.1957 Inch, 12-32 UNEF 3A GO Thread Ring
List Price $157.00

Unified National Extra Fine (UNEF) Thread Ring Gages

0.1917 Inch, 12-32 UNEF 2A NOT GO Thread Ring
List Price $157.00

Unified National Extra Fine (UNEF) Thread Ring Gages

0.1933 Inch, 12-32 UNEF 3A NOT GO Thread Ring
List Price $157.00

Unified National Extra Fine (UNEF) Thread Ring Gages

0.1917 to 0.1948 Inch, 12-32 UNEF GO & NOT GO Thread Ring
List Price $314.00
Description N/A
Thread Size N/A 12-32
Thread Type N/A Unified National Extra Fine (UNEF)
Unified Pitch Diameter (UPD) N/A 0.1948 Inch N/A 0.1957 Inch N/A 0.1917 Inch N/A 0.1933 Inch N/A 0.1917 to 0.1948 Inch
X Tolerance Go =-/No Go =+ N/A 0.0003 in
Type N/A Go N/A Go N/A No Go N/A No Go N/A Double End (Set)
Holder Number N/A 1
Material N/A Steel
Root Relieved Thread Ring Gages N/A 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.
Hard Chrome N/A Add 10% for hard chrome gages.
Additional Information N/A
  • Graphitic Tool Steel for superior quality and longer wear.
  • Heat treated and cold treated for extreme stability.
  • Lapped for extra precision and longer wear.
Note N/A
  • Prices are the same for all UNC and UNF series having standard pitch diameters.
  • Pitch diameters not listed are considered special and will be made to your specifications.
Consult Factory for Special Gages - Preplate, Extra Length, Multiple Lead, Acme, Etc.