Thread Plugs Gages & Thread Ring Gages Inch and Metric – Unified
Willrich Precision offers Thread Plug Gages and Thread Ring Gages. We offer inch and metric thread gages in both standard and special PDs. Rush Delivery prices available upon request.
When Ordering Please Specify:
- Nominal Size, threads per inch and thread series
Example: for thread plug gage: 3/8-16 UNC 2B for thread ring:3/8-16 UNC 2A - Type of Gage: Thread Plug, Thread Ring, or Thread setting plug
- Right or Left Handed
- For Thread Plug Gages under 1.510″ specify if reversible or taperlock is needed
- Specify Steel, Chrome or Carbide
- Marking instructions- Tool number, gage number
- Type of certification needed: short form cert of conformance, long form certification with data to NIST, or ISO-17025
Call or email sizes for pricing Ph 866-945-5742 / email: sales@willrich.com
-or –
Fill out below Quick Quote Form for sizes needed.
Read More
Thread Plug Gages
- UNC, UNF,UNJ, UNJF, & UNEF
- Class 2B - 3B
- Taperlock Thread Plugs (Inch & Metric) , Reversible Thread Plugs (Inch&Metric), Trilock
- Metric Sizes - Class 6H
- Left Hand Thread Plugs
- STI Screw Helicoil Thread Insert
- Material offered: Steel, Chrome, Carbide, Titanium Nitride (TiN) coating
- Setting "X" and "W" tolerance
- Hi Lo Thread Plug Gages
- Truncated Thread Setting Plug Gages Class 2A - 3A + Metric Sizes - Class 6g- Hi Lo Thread Plugs
Thread Ring Gages
- UNC, UNF & UNEF
- Class 2A - 3A
- Adjustable Thread Rings (Inch&Metric)
- Solid Type Thread Rings (Inch&Metric)
- Metric Sizes - Class 6g
- Material offered: Steel, Chrome
- Class X Tolerance
- Left Handed Thread Ring Gages
In ISO. metric threads the various classes of internal thread are 4H, 5H, 6H & 7H'. In Unified threads the various classes of internal threads are 1B, 2B & 3B. Whitworth and B.A. the various classes of thread are Close, Medium and Normal. Please contact us for any other thread form you may require.
Thread plug Gauge and Thread Ring Gauge Standards:
- AGD American Gage Designed. ASME/ANSI B47.1.
- ANSI American National Standards Institute
- DIN German Specifications
- JIS Japanese Industrial Standard
- ISO International Standard Organization
UN, UNC, UNF, UNEF, UNS Unified Inch Screw Threads (Un and UNR Form)
Gages & Gaging for Unified Inch Screw Threads
UNJ, UNJC, UNJF, UNJEF, UNJS Unified Inch Screw Threads (UNJ Thread Form)
Screw Thread Gaging Systems for Acceptability-Inch and Metric Screw Threads (UN, UNR, UNJ, M and MJ)
M Metric Screw Threads — M Profile Gages and Gaging for Metric M Screw Threads
MJ Metric Screw Threads — MJ Profile Gages and Gaging for MJ Series Metric Screw Threads
UNM Unified Miniature Screw Threads
Metric Thread Gages Educational
Thread Setting Plug Educational
