JBO Plug Gauge - Metric Fine (STI) Heli Coil Gauge - Right Hand - 6H - M12 x 1.25 - Calibrated (DAkkS Calibration) Morse Taper Adaptor The left-hand spiral flute combined

The left-hand spiral flute combined with right-hand cutting delivers clean

it offers durable performance in a range of steels and alloys

helping maintain cut accuracy and reducing the risk of slippage during high-torque milling

flexible integration into existing setups

resulting in cleaner cuts and better surface finishes across materials

JBO Plug Gauge - Metric Fine (STI) Heli Coil Gauge - Right Hand - 6H - M12 x 1.25 - Calibrated (DAkkS Calibration) Morse Taper Adaptor The left-hand spiral flute combinedThe JBO Plug Gauge Metric Fine (STI) Heli Coil Gauge is a precision measuring tool designed to verify metric screw thread inserts (STIs). It's built for engineers, machinists, quality teams, and shop floor technicians who need fast, reliable checks to confirm inserts meet exact size and tolerance for consistent assembly. This right hand gauge is sized M12 x 1. 25 with a 6H tolerance and is calibrated to DAkkS standards, ensuring traceable, auditable