Precon.750-16 UNJF-3B Thread Plug Gauge is a go/no-go gauge for inspecting internal threads machined to the.750-16 UNJF-3B standard. The Go pitch-diameter limit is.7094 and the No-Go pitch-diameter limit is.7143, providing a precise pass/fail check for thread tolerance. This gauge is used in manufacturing and quality control to verify that internal threads meet the specified pitch diameter limits and ensure proper fit with mating parts.
