JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M60 x 1 G It features a left-hand spiral

It features a left-hand spiral flute and right-hand cutting for controlled chip formation and reliable results across a range of materials

consistent hole sizes

24 mm Straight Shank Reamer is a carbide

and cast iron workpieces

Taper shank design for secure seating: Fits standard tool holders and minimizes runout

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M60 x 1 G It features a left-hand spiralThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 4h M60 x 1 is a precision tool designed to verify external thread diameters quickly and reliably. Its ideal for machinists, inspectors, and quality teams who need fast, conclusive Go checks to confirm parts meet metric fine thread standards. Crafted from hardened steel, this GO ring gauge delivers durability and long lasting performance in busy workshops, production lines, and field service