NPSM 3 1/2″ thread gauge GO NOGO 2A/2B
3 1/2-8 NPSM ring plug gage GO NOGO 2A/2B
- DEC. : 3.5
- Frac.: 3 1/2″
- TPI: 8
In stock, can be sent out the next day.
Class of fit: ring gage 2A; plug gage 2B
Each 3 1/2 NPSM thread gage 100% calibrated with quality assurance.
RH=right hand LH=left hand both available
NPSM 3 1/2″ thread’s basic size
Diameter: 3 1/2 D(Pipe O.D.): 4.000 n=8 es=0.0023
2A external thread Major dia.: max 3.968 min 3.953 Pitch Dia.: max 3.8865 min 3.8788
2B internal thread Minor dia.: min 3.835 max 3.848 Pitch Dia.: min 3.8888 max 3.8988
3 1/2-8 NPSM thread gauge calibration certificate
If needed, one long form calibration certificate from professional third party testing lab accredited to ISO/IEC 17025 can be supplied. gaugesools also can provide UKAS certificates and NIST certificates if needed.These calibration certificates need extra cost, if clients need them,please tell in advance.
About us
gaugestools is 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, NPSM, Trapezoidal, and Whitworth etc.
The 3 1/2″ NPSM thread gauge produced according to ANSI/ASME B1.20.1
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 clients need actual goods’s pictures, we are happy to take.
Check the full range of NPSM thread gage in stock
