Specification

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.