VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M20 x 1.5 Face Mill Arbors - Through Coolant reducing stress concentration and helping

reducing stress concentration and helping prevent breakage during deep cavity milling and intricate contouring tasks

and assembly teams confirm parts meet the required thread dimensions and standards

This combination supports precise hole size control with consistent surface finish

while simple

Designed to finish drilled holes to tight ISO H5 tolerance

VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M20 x 1.5 Face Mill Arbors - Through Coolant reducing stress concentration and helpingThe VCOIL Plug Gauge (D E) is a precision metric thread gauge designed for Helicoil insert applications, built for machinists and quality control professionals who verify M20 x 1. 5 right hand threads. Go No Go plug gauge: Combines go and no go ends for a quick, single tool thread quality check. Metric (STI) thread form: M20 x 1. 5 right hand thread compatible with Helicoil inserts. D E Series (Helicoil gauge): Specifically tailored for VCOIL helicoil