VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 2B - 1/2 x 20 FMH Left‑hand spiral flute with right‑hand

Left‑hand spiral flute with right‑hand cutting: enables controlled material removal and stable cutting action for accurate hole sizes

updating a control panel

The center-cutting capability expands its versatility to include plunge milling and contouring tasks without switching tools

Built with an intermediate precision carbide-tipped cutting edge (K10)

VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 2B - 1/2 x 20 FMH Left‑hand spiral flute with right‑handPrecision thread gauge for UNF (1 2 x 20) right hand threads, designed for Helicoil installations and quality control. The VCOIL Plug Gauge (D E) complies with ANSI ASME threading standards and provides a clear go no go assessment in a compact, hand friendly tool. Thread specification: UNF (STI), 1 2 x 20, Right Hand, 2B tolerance, tailored for Helicoil gauge checks. Go No Go design: A combined go end (hand screws into the thread) and no go scrap end;