VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M9 x 1.25 Face Mill Arbors - Through Coolant 003 mm provides repeatable hole

003 mm provides repeatable hole sizes

Internal coolant improves chip evacuation

straight shoulders and reliable performance across a range of materials

The 4-flute configuration promotes steady chip flow and reduces the risk of clogging

Specifically configured for left‑hand M30 x 3

VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M9 x 1.25 Face Mill Arbors - Through Coolant 003 mm provides repeatable holeThe VCOIL Plug Gauge (D E) is a precision metric Helicoil gauge for right hand M9 x 1. 25 threads, crafted to ANSI ASME thread standards and designed for reliable, on tool thread verification. Go No Go plug gauge: combines go and no go ends in one tool to verify threads against the 4H tolerance class. Thread size: metric M9 x 1. 25 right hand thread, compatible with standard Helicoil inserts. Hand screw requirement: the go end must screw into the