JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 1 1/4 x 12 Milling Cutter Arbors and tapping for consistent results

and tapping for consistent results

It features a taper shank for secure seating in standard toolholders

smooth holes in fewer passes

repeatable mounting: Fits standard tool holders and reaming setups

Its rugged construction delivers dependable performance in busy shops

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 1 1/4 x 12 Milling Cutter Arbors and tapping for consistent resultsThe JBO Thread Ring Gauge (NoGo) UNF Right Hand 3A 1 1 4 x 12 is a precision tool designed to verify external thread diameters to Unified standards. Its built for engineers, inspectors, machinists, and quality teams who need quick, reliable checks on threaded parts. Ideal for manufacturing, automotive, and aerospace environments, this NoGo gauge makes it easy to identify non conforming threads and prevent misfits in assemblies. Crafted from hardened