VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 3B - 9/16 x 18 G multi-layer nano chrome finish (DIN

multi-layer nano chrome finish (DIN 212-B)

straight configuration minimizes deflection in restricted bores and simplifies tool changes in cramped setups

Whether you're setting up precision fixtures or upgrading shop productivity

Two-Flute Precision Design: Efficient chip evacuation and stable cutting reduce vibration

High-speed steel (HSS) ground taps deliver durability and sharp cutting edges for clean chip formation and accurate thread profiles

VCOIL Plug Gauge (D/E) - UNF (STI) - Heli Coil Gauge - Right Hand - 3B - 9/16 x 18 G multi-layer nano chrome finish (DINThe VCOIL Plug Gauge is a precision go no go gauge for UNF threads used in Helicoil inserts. Manufactured and assessed in accordance with ANSI ASME thread standards, it supports quick, reliable thread checks in repair and production environments. Thread type: UNF (STI), right hand, 9 16 x 18 size End configuration: Go end and No Go (scrap) end for complete thread acceptance testing Scrap side marking: Red ring clearly indicates the scrap side Go No Go