VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 1.7/8 x 8 Die & Mould Collet Chucks it’s built for shops needing

it’s built for shops needing reliable ISO H4 tolerance in 19

it delivers consistent clamping and near-perfect alignment

Durable HSS‑E (M35 cobalt) construction: Delivers exceptional wear resistance and edge retention for long tool life and reliable hole sizing across repeated uses

enabling quick tool changes and dependable performance across end mills

The M2 high-speed steel provides durable wear resistance for repeated reaming

VCOIL Plug Gauge (GO) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 1.7/8 x 8 Die & Mould Collet Chucks it’s built for shops needingThe VCOIL Plug Gauge (GO) for UN (STI) is a right hand Helicoil go gauge designed to verify thread cuts against ANSI ASME standards. With a 2B tolerance and a 1. 7 8 x 8 size, it provides quick, reliable go no go checks in helicoil applications. Go gauge type: Verifies that the thread cut will accept the gauge when screwed in by hand (no excessive force) to confirm conformity to spec. Thread system: UN (STI) thread standard compatibility for accurate