VCOIL Plug Gauge (NoGo) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 2 x 8 FMH FLH FHH S&E A&NF M&D Standard similarity: Similar to DIN

Standard similarity: Similar to DIN 212 B

making it a versatile choice for complex 3D contours and detailed finishing

The HSS-E (M35 cobalt) construction provides improved wear resistance and sharpness

Taper shank in standard length (M2 HSS): Provides secure mounting and broad machine compatibility

Left-Hand Spiral Flute with Right-Hand Cutting: Enables efficient chip removal and controlled cutting direction

VCOIL Plug Gauge (NoGo) - UN (STI) - Heli Coil Gauge - Right Hand - 2B - 2 x 8 FMH FLH FHH S&E A&NF M&D Standard similarity: Similar to DINThe VCOIL Plug Gauge (NoGo) is a precision go no go gauge for UN (STI) right hand helicoil threads, designed for machinists and inspectors who need ANSI ASME compliant thread verification. Thread system: UN (STI) right hand threads to align with helicoil insert specifications Go No Go design: Combined go plug gauge and no go plug gauge for quick acceptance and rejection testing Standards: Manufactured and assessed in accordance with ANSI ASME thread