Johnson Gage product offerings

A range of portable or bench external and internal thread inspection systems find use in medical manufacturing.


Bloomfield, Connecticut – The Johnson Gage Company offers a full range of portable or bench external and internal thread inspection systems that incorporate functional and pitch diameter size measurements for UN, metric, NPT, and all other thread forms subject to virtually all thread acceptance standards.

Products include external and internal variables inspection systems for NPT, NPTF, ANPT, and NGT threads in accordance with the new ASME B1.20 specification. Standard indicating systems are designed to replace L1 thread ring and thread plug gages. Supplementary capabilities can assure conformance of all thread elements and characteristics to assure leak-free connections for applications.

The CHT thread inspection system is designed for the in-process inspection of large diameter parts featuring an extended range of measurement capability, and the affordably priced runout and concentricity inspection system.

For medical manufacturers, the thread inspection system for the verification and in-process control of reverse-angle buttress threads commonly used in anti-splaying medical devices such as orthopedic implants.

Source: The Johnson Gage Co.