'KALIBR' 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.

Product Range

ISO Metric Thread Gauges MJ Thread Gauges Unified Thread Gauges UNJ Thread Gauges Wire Threads Inserts /Heli - Thread Gauges BSW/ BSF/ Whits Thread Gauges Pipe / G Thread Gauges BA Thread Gauges BS Cycle Thread Gauges BS Conduit Thread Gauges Pg Thread Gauges Trapezoidal Thread Gauges Acme Thread Gauges Stub Acme Thread Gauges Buttress Thread Gauges Saw Tooth / Metric Buttress Thread Gauges NPT Thread Gauges NPTF/PTF Thread Gauges BSPTr Thread Gauges Pipe / R Thread Gauges (ISO 7/2) M/ KEG Taper Thread Gauges (DIN 158) NGT Taper Thread Gauges Gauges for valve Fittings Casing, Tubing & Line Pipe Gauges for Oil Industry Oil Industry- Gauges for Rotary drill Plain Plug Gauges Plain Ring Gauges Setting Ring Gauges Snap Gauges Customized solutions for Gauging

Casing, Tubing & Line Pipe Gauges for Oil Industry

Casing, Tubing & Line Pipe Threads are designed by American Petroleum Institute (API) and are used in oil rigs and petroleum pipe lines.

Specification: API 5 B- 1988

Manufacturing Range:
Line Pipe Taper Thread Plugs & Rings - Diameter 1/4" to 12D.
Casing Short & Long round Taper Thread Plugs & Rings Gauges - Diameter 4.1/2" to 13.3/8" TPI 8.
Non- Upset Tubing (TBG) Taper Thread Plugs & Rings Gauges - Diameter 1.050" to 4.1/2".
External Upset Tubing Taper Thread Plugs & Rings Gauges - Diameter 1.050" to 4.1/2".

Integral Joint Tubing Thread Gauges can be supplied, if requested.

For more Technical Details on these Threads download, Technical Information sheet from link given below.

For How to use gauges - Download Gauge users Manual from link given below - under development.

Technical Information Sheet