VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 3B - 1.7/8 x 8 Tiny Tool Inserts The knurled outer edge provides

The knurled outer edge provides a secure grip and easy alignment

Who will benefit This tap is a smart choice for hobbyists

reducing guesswork and speeding up setup and quality checks

and finishing — backed by a precise 5 micron run-out that supports repeatable

dependable threading in metric fine applications

VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 3B - 1.7/8 x 8 Tiny Tool Inserts The knurled outer edge providesThe VCOIL Plug Gauge (GO) for UN (STI) threads is a precision go gauge designed to verify right hand, 3B Helicoil UN threads to ANSI ASME standards. Its ideal for production and inspection environments requiring dependable thread validation. Go gauge type: UN (STI) right hand thread, class 3B, size 1 7 8 x 8. Compliance: Manufactured and assessed in accordance with ANSI ASME thread system standards. Hand fit verification: GO gauge must screw into the