1 3/8-18 UNEF thread ring gauge 2A GO&NOGO US$190

1 3/8-18 UNEF 2A ring gauge GO&NOGO with long form certificate US$230

1 3/8-18 UNEF thread plug gauge 2B GO&NOGO US$133

1 3/8-18 UNEF 2B plug gauge GO&NOGO with long form certificate US$173

Fraction: 1 3/8″

Decimal:1.375

TPI:18

Thread Form: UNEF

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. 

We are committed to providing superior quality with excellent service in

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

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. 

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 UNEF thread gage in stock

payment

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