VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M12 x 1 FLH improve surface quality on profiling

improve surface quality on profiling and pocketing

repeatable checks of thread conformity

and operations in tighter work areas

The straightforward straight shank simplifies setup

Kerf tolerance: Tight ±0

VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M12 x 1 FLH improve surface quality on profilingVCOIL Plug Gauge (D E) is a precision metric go no go thread gauge designed for right hand M12 x 1 applications, built to STI metric standards with 4H tolerance. It provides quick, reliable verification of threaded holes and Helicoil insert compatibility in manufacturing and maintenance environments. Gauge type: Combined go no go thread plug gauge for fast pass fail inspection. Standards & range: Manufactured and assessed per ANSI ASME thread systems;