JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M23 x 1 Face Mill Arbors - Through Coolant durable edge that maintains accuracy

durable edge that maintains accuracy through many finishing passes

spiral-flute HSS reamer designed for precise hole finishing

Designed for machinists working with aluminum and other non-ferrous metals

Availability notes indicate that stock references apply to blanks ready for reaming

Long Shank Design for Deep Grooves and Stability: Extended reach and rigid guidance reduce deflection

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M23 x 1 Face Mill Arbors - Through Coolant durable edge that maintains accuracyThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external threads on metric fine pitch components. Specifically configured for right hand M23 x 1 threads, this gauge helps machinists, quality inspectors, toolmakers, and serious hobbyists quickly determine if a parts thread must be rejected or can proceed to the next stage of production. Crafted for reliability, the gauge uses hardened steel construction to withstand daily use in