VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 1.3/4 x 8 Milling Cutter Arbors it delivers rigid performance for

it delivers rigid performance for deep cavities

and workshop teams who demand consistent results in turning

Left-hand spiral flute: Works with right-hand cutting to provide stable chip evacuation and clean bore finishes

boosting productivity in precision work

and maintain stable cuts for reliable throughput

VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 1.3/4 x 8 Milling Cutter Arbors it delivers rigid performance forThe VCOIL Plug Gauge (GO) for UN (STI) Helicoil systems is a precision go gauge crafted to verify internal thread quality to ANSI ASME standards. Designed for right hand threads and sized 1. 3 4 x 8, this 2B class gauge supports reliable, repeatable inspections in quality control workflows. Go gauge for UN (STI) threads: intended to screw into the thread cut in a part by hand without excessive force, confirming conformance or flagging non compliant