Goliath NPT Thread Ring Gauge Go 1/8" x 27 TPI

Goliath is an Australian precision cutting tool brand supplying HSS taps, threading dies, tap and die sets, thread gauges, and key steel to engineering, manufacturing, maintenance, and toolmaking operations across Australia.

Goliath thread ring gauges verify external thread accuracy on bolts, studs, and threaded components to the specified thread form and tolerance.

Where this product is used

Goliath thread ring gauge products are used across engineering workshops, production machining, and industrial maintenance programs.

• Verifying external thread accuracy on bolts, screws, and threaded shafts.
• Go/No-Go gauging of externally threaded components to confirm form and tolerance.
• Quality inspection of turned and threaded parts before dispatch or assembly.

Key specifications

Refer to the product title for size range, thread standard, and configuration details.

Selecting the right option

Select the ring gauge by thread standard, nominal size, and tolerance class. Go/No-Go ring gauges verify both the maximum and minimum external thread limits. Handle and store gauges carefully — ring gauges are susceptible to damage from impact and wear.