Northern Gauge offers a complete line of pins, plain plug and ring gauging in full complaince to ASME/ANSI B47.1 to extremely tight XXX class to more ecomonical ZZ class. Carbide or AISI O1 materials are available.
Tri-Roll Comparator Systems provide direct measurement reading based on a master plug gauge. Our Tri-Roll Comparator system is a rubust design that will last years while continuing to give accurate reading. This system is ideal when statistical process control, giving direct measurements are required. This Tri-Roll System can also be proven to be more time efficient especially for long threaded connections.
We are committed to the highest standards in quality and precision. We strive to provide the best, and most complete gauging product line up in the world.