NPSM ring gaugeNPSM plug gauge

NPSM thread gages GO NOGO manufacturer / supplier

NPSM thread ring & plug gauges GO NOGO supplier

Ring gages used to check external thread, plug gages used to check internal thread.

NPSM thread gauge is American Standard Straight Pipe Thread for free fittings Mechanical joints gauges

N= National(American) standard, P= Pipe, S=Straight, M=Mechanical

NPSM thread is one kind of National Non-sealed Pipe Thread.

NPSM straight pipe thread gauges are produced according to Ref. ANSI/ASME B1.20.1, made to class X tolerance. Standard Iron, steel, and brass pipe are often used for special applications where there are no internal pressures.Where straight thread joints are required for mechanical assemblies, straight pipe threads are often found more suitable or convenient.

For ring gages the class of fit is 2A, for plug gauges the class of fit is 2B

We have as below sizes’s NPSM ring and plug gauges in stock

1/8″-27 NPSM 1/4″-18 NPSM 3/8″-18 NPSM 1/2″-14 NPSM
3/4″-14 NPSM 1″-11.5 NPSM 1 1/4″-11.5 NPSM 1 1/2″-11.5 NPSM
2″-11.5 NPSM 2 1/2″-8 NPSM 3″-8 NPSM 3 1/2″-8 NPSM
4″-8 NPSM 5″-8 NPSM 6″-8 NPSM

All our gauges can be sent to third party calibration labs to get calibration certificates.

We also can provide NPSL, NPTR, NPSH, NH, and NHR etc thread gauges.

Material:GCr15

We accept payment of T/T (bank transfer), Paypal.We 100% be sure gauges’s quality, when clients received goods, if found any not well, clients can give back to us, we will undertake all the loss including shipping cost .

We usually send goods by express, DHL or UPS.

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