‘TRUTHREAD’ offers most extensive product range for Thread & Plain gauges.

We manufacture gauges as per various International standards like ISO, ANSI/ ASME, British Standard (BS),DIN, JIS, API.
Designing customized gauging solutions is our specialty.

NGT manufacture

NGT Taper Thread Gauges

NGT (National Gas Taper) Threads are used to check Gas cylinder valve stems and cylindrical neck threads.
(Taper 1 IN 16 on diameter)
American Handbook H-28 Part II – 1957
3/4″-14 NGT size is manufacured as per IS 9121-2005 , on customer request.
Manufacturing Range

Taper Thread Plugs – Gauge L1 & Gauge L9
Plain Taper Plug Gauges to check truncation of Minor diameter – Gauge C1 &  Gauge C2
Taper Thread Ring Gauge L1 & Gauge L8
Master Check Plug to check Rings L1 & L8
Plain Taper Ring to check crest Truncation of Major Diameter.

Sizes covered are from 1/8 NGT to 1.1/2 NGT.

For more Technical Details download Technical Information sheet from link given below.

Technical Information Sheet