JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - 1/4 x 28 FMH FLH FHH S&E A&NF M&D intermediate-precision straight-shank reamer crafted from

intermediate-precision straight-shank reamer crafted from HSS (M2) for reliable bore finishing

Order-to-despatch timing ensures you can keep projects moving

The spiral flute design facilitates chip evacuation

and serious hobbyists who need reliable bore accuracy

and faster production times with confidence

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - 1/4 x 28 FMH FLH FHH S&E A&NF M&D intermediate-precision straight-shank reamer crafted fromJBO Thread Ring Gauge (NoGo) for UNF Right Hand 1 4 x 28, 2A is a precision inspection tool designed to verify external thread diameters on fasteners and threaded components. Built for engineers, machinists, quality inspectors, and workshop technicians, it helps confirm parts meet Unified Thread Standard specifications with a quick, single check approach. Its NoGo design provides an immediate indication of non conforming threads, supporting fast,