Products > Metrology, Inspection, Surveillance > Thread plug gauge > Dorsey Metrology International

Thread plug gauge
Dorsey Metrology International

Thread gauges are made for gaging of internal or external threaded surfaces. Typical thread gauge applications are gaging of the bores of the nut and the outside thread on screws or bolts. Thread gauges are available in "Go" and "No-go" sizes, conforming respectively to the maximum or minimum material limits of the measured part.
These thread gauges are made in adjustable design. The blanks of thread ring gauge have three radial slots, two of these ending in terminal holes, third one is bridged by adjusting device, consisting of an adjusting screw and a sleeve on a shoulder of the opposite side of the slot.
Thread gauges types:

Taper lock thread gauge
Reversible thread gauge
Helical coil thread gauge
Reference thread gauge

Dorsey's thread gauges are available with or without handles, bilateral or unilateral, UNC, UNF, UNEF, NPT, NPTF, ANPT, NPSF, go, no-go, titanium nitrade coated.