VCOIL Plug Gauge (NoGo) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 1.1/2 x 8 Face Mill Arbors - Anti-Vibration The hollow-ground design minimizes rubbing

The hollow-ground design minimizes rubbing and enhances chip clearance

durable cutting in production environments

Using the JBO NoGo gauge helps streamline your threading inspections

so you can trust it for daily use and achieve repeatable

built for finishing bored holes with tight tolerances

VCOIL Plug Gauge (NoGo) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 1.1/2 x 8 Face Mill Arbors - Anti-Vibration The hollow-ground design minimizes rubbingThe VCOIL Plug Gauge (NoGo) is a combined Go No Go thread plug gauge designed for UN (STI) Helicoil applications. Built to ANSI ASME standards, it provides quick, reliable checks of internal threads in Right Hand configurations. Combination Go No Go gauge: A single tool that tests both the ability to start the thread by hand (Go) and the limit of acceptable thread depth (No Go). ANSI ASME thread standards: Manufactured and assessed in accordance with