JBO Plug Gauge - Metric (STI) Heli Coil Gauge - Right Hand - 6H - M18 x 2.5 - Calibrated (DAkkS Calibration) Hex Key Drill Chuck repeatable results that match your

repeatable results that match your part specs and tolerance class

Long shank with 4 mm diameter for reach and rigidity: The extended length and sturdy shank reduce deflection when machining deep pockets

enabling quick setup and dependable alignment across tool changes

while the combo of left-hand spiral flute and right-hand cutting supports reliable swarf clearance and a clean

The taper lead begins the cut gently to guide the tap straight into the workpiece

JBO Plug Gauge - Metric (STI) Heli Coil Gauge - Right Hand - 6H - M18 x 2.5 - Calibrated (DAkkS Calibration) Hex Key Drill Chuck repeatable results that match yourThe JBO Plug Gauge Metric (STI) is a precision tool designed to verify metric sized screw thread inserts (STIs). Its ideal for engineers, manufacturers, inspectors, and shop floor technicians who need fast, reliable checks to confirm inserts meet exact metric STI standards and specifications. This gauge is manufactured and assessed to ANSI ASME thread system standards and is calibrated with DAkkS calibration. It features a right hand configuration for