JBO Thread Ring Gauge (NoGo) - UNJF - Right Hand - 3A - 7/8 x 14 Face Mill Arbors the B6 model offers expanded

the B6 model offers expanded reach and reliable tool seating

spiral-flute reamer in high-speed steel (M2) designed for intermediate-precision hole finishing

supporting consistent quality control and precise engineering work

By delivering precise bore sizes with reliable tool engagement

and secure h5 shank fit

JBO Thread Ring Gauge (NoGo) - UNJF - Right Hand - 3A - 7/8 x 14 Face Mill Arbors the B6 model offers expandedThe JBO Thread Ring Gauge (NoGo) is a precision tool for verifying external threads to the UNJF standard. Designed for engineers, machinists, quality inspectors, and assembly teams across manufacturing, automotive, and aerospace, it helps confirm that threaded components meet exact size and fit requirements. With a Right Hand orientation and a 7 8 x 14 size in the 3A class, this gauge delivers consistent checks that align with common industry threads.