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Unit of Measure

Technical Specs

Thread Size

 N/A 6-40

Thread Type

 N/A Unified National Fine (UNF)

Nominal Size

 N/A 0.138 Inch

Unified Pitch Diameter (UPD)

 N/A 0.1252 Inch

X Tolerance Go =+/No Go =-

 N/A 0.0002 Inch

X Lead Tolerance

 N/A 0.0002 Inch

X ± Half Angle Tolerance

N/A 0º20'

Type

 N/A No Go

Handle Number

 N/A 00

Material

 N/A Hard Chrome

Graphitic Tool Steel

Graphitic Tool Steel

 N/A All thread gages are made of the finest oil hardened graphitic tool steel available. Because of the graphite lubricant qualities in this steel, (which reduces friction) and high carbon content, it produces superior long wearing qualities.

Hard Chrome

Hard Chrome

 N/A All standard thread plugs are supplied in hard chrome at no additional cost.
  • Heat treated and cold treated for extreme stability.
  • Lapped for extra precision and longer wear.

Note

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.
UNJ Threads: Add $10.00 Per Member.
Add 30% For Class W, Tolerance