VCOIL Plug Gauge (GO) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M45 x 3 FMH FLH FHH S&E A&NF M&D repeatable corners for consistent mold/die

repeatable corners for consistent mold/die finishes and tighter tolerances

reduces downtime waiting for measurements

M2 High-Speed Steel with Spiral Flute: Durable HSS with a left-hand spiral flute and right-hand cutting enables efficient chip evacuation and a clean

stable cuts on deep grooves and sloped surfaces

VCOIL Plug Gauge (GO) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M45 x 3 FMH FLH FHH S&E A&NF M&D repeatable corners for consistent mold/dieThe VCOIL Plug Gauge (GO) is a precision metric Helicoil gauge designed for machinists and quality teams who need fast, reliable verification of internal thread cuts against recognized standards. This right hand GO gauge, sized M45 x 3 with 4H tolerance, is tailored for STI threads and ready for routine go no go checks. Type and standard: Metric (STI) Go plug gauge for Helicoil applications, right hand orientation, 4H tolerance. Thread specification: