VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M22 x 2 Shrink Fit Holders The JBO Thread Ring Gauge

The JBO Thread Ring Gauge (GO) – Metric Fine – Right Hand – 4h – M58 x 1

The combination of a wide diameter range

making it well suited for production runs or deeper holes where productivity matters

and ensure consistent threading results across parts and shifts

The reamer features a left‑hand spiral flute and right‑hand cutting to optimize chip control and deliver smooth

VCOIL Plug Gauge (D/E) - Metric (STI) - Heli Coil Gauge - Right Hand - 4H - M22 x 2 Shrink Fit Holders The JBO Thread Ring GaugeThe VCOIL Plug Gauge is a precision go no go thread gauge for helicoil (HeliCoil) inserts. Sized for metric M22 x 2, Right Hand, with 4H tolerance, it helps technicians verify threads to ANSI ASME standards with reliable, repeatable checks. Thread system: Metric (STI) M22 x 2, Right Hand Go No Go design: Combines go plug end and no go scrap end for quick pass fail checks Scrap end marking: Red ring on the scrap side for immediate identification