4″-8 UN thread gauge ring plug gage 2A 2B GO&NOGO

4"-8 UN 2A ring gage4"-8 UN 2B plug gage

4″-8 UN thread ring gauge GO & NOGO 2A USD 494

4″-8 UN thread plug gauge GO & NOGO 2B USD 300

Fraction: 4″

Decimal:4

TPI:8

Thread Form: UN

Ring gauges Tolerance: 2A 3A

Plug gauges Tolerance: 2B 3B

 

In stock, can be sent out same day!

Worldwide shipment,usually taking 3-4 days clients can receive goods.

The pictures are just for reference. As too many items in stock, 

we haven’t taken pictures one by one.

 

If needed, one long form calibration certificate from professional third party testing lab

accredited to ISO/IEC 17025 can be supplied.

Each gage 100% calibrated with quality assurance.

 These calibration certificates need extra cost, if clients need them,please tell in advance.

About us

We are a professional manufacturer and supplier of thread ring gages and

Thread plug gauges, including GO/NOGO, RH/LH(right hand and left hand).

We have rich ranges of thread gauges, including UN, Metric, ACME, stub-ACME,

BSPP, BSPT, NPT, NPTF, Trapezoidal, and Whitworth etc. 

We are committed to providing superior quality with excellent service in

short delivery time, We aim to build long-term customer relationships.

 

If clients need some special thread gauges, then our custom production service can be provided.

Usually plug gauges need ten days to finish, ring gages need two weeks to finish.

Check the full range of UN thread gage in stock

Data

Class     of fit External thread  gauge(X Class)
                   GO         NOGO
Pitch   diameter Minor  Diameter Pitch   diameter Minor   Diameter
4-8  UN 2A 3.9161    3.9156 3.8620   3.8613 3.9070     3.9075 3.8799   3.8806
 4.000-8 3A 3.9188     3.9183 3.8647 3.8640 3.9120     3.9125 3.8849  3.8856
Internal thread  gauge(X Class)
                   GO          NOGO
Major diameter Pitch  diameter Major  diameter Pitch  diameter
4-8 UN 2B 4.0000

4.0007

3.9188  3.9193 3.9848 3.9841 3.9307 3.9302
 4.000-8 3B 4.0000

4.0007

3.9188

3.9193

3.9818

3.9811

3.9277

3.9272

Payment

We accept payment of T/T(bank transfer), Paypal, Credit Card, and West Union etc.

payment-1payment2

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