JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 0 x 80 Milling Cutter Arbors With a 12mm x 50mm

With a 12mm x 50mm profile

03 mm straight-shank reamer delivers intermediate precision hole finishing for machinists who need consistent accuracy without the cost of custom-ground tools

Left-hand spiral flute with right-hand cutting: Balances cutting action and chip evacuation to produce clean

high-precision cutting tool engineered for micro-milling tasks like deep grooves

13 mm is an intermediate precision reamer designed to finish holes to tight ISO H5 tolerances

JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 0 x 80 Milling Cutter Arbors With a 12mm x 50mmThe JBO Thread Ring Gauge (GO) UNF Left Hand 2A No. 0 is a precision tool designed to verify external thread diameters quickly and reliably. Built for quality control teams, machine shops, and assembly lines, it helps you confirm that threaded components meet UNF standards before they move to final assembly. Crafted from hardened steel for outstanding wear resistance, this GO gauge is ready for daily use in demanding environments. The left hand