1/8" NPT thread gage-1/8-27 NPT ring plug gauge supplier

1/8-27 NPT plug gage 1/8" NPT ring gage

1/8″ NPT thread ring gage US$100

1/8″ NPT thread ring gage with calibration certificate US$140

1/8-27 NPT thread plug gage US$54

1/8-27 NPT thread plug gage with calibration certificate US$94

DEC. : 0.125
Frac.: 1/8″
TPI: 27

In stock, can be sent out the next day.

Each 1/8″ NPT thread gage 100% calibrated with quality assurance.

RH=right hand LH=left hand both available

if clients need 1/8″-27 NPT right hand thread gauge, then no need special notes.

if clients need 1/8″-27 NPT left hand thread gage, then need special notes. For example: 1/8-27 NPT-LH thread ring gage 1 pc

NPT thread’s basic size

Diameter : 1/8 n=27 P=0.941 h=0.753 Major Dia.= 10.242 Pitch Dia.=9.489 Minor Dia.=8.736

The above data come from ASME B1.20.2M

1/8″ NPT 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, NPTF, Trapezoidal, and Whitworth etc.

The 1/8 NPT thread gauge produced according to ANSI/ASME B1.20.1

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

How to use 1/8 NPT ring plug gage

NPT plug gage: it control workpiece’ s internal thread’s pitch diameter within L1 range. when screw in the plug gage into the internal NPT thread, internal thread’s large end should be in one pitch range with the plug gage’s step (Gaging Notch). otherwise, the workpiece’s internal thread is unqualified.
NPT ring gage: it control workpiece’ s external thread’s pitch diameter within L1 range. when screw in the ring gage into the external NPT thread, external thread’s small end should be in one pitch range with the ring gauge’s small end. otherwise, the workpiece’s external thread is unqualified.

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 NPT thread gage in stock

Size	TPI	P	Major Diameter			Pitch Diameter			Minor Diameter
			Small end	Gaging Notch	Large end	Small end	Gaging Notch	Large end	Small end	Gaging Notch
1/8	27	0.03704	0.38522	0.39531	0.40171	0.36351	0.37360	0.38	0.34180	0.35189