JBO Thread Ring Gauge (NoGo) - Trapezoidal - Right Hand - 7e - Tr. 12 x 3 FLH 2) with a long-reach

2) with a long-reach

Helix angle: 30° to balance cutting load and surface finish

newer versions achieve sealing without a rubber nose seal

Stock note: In stock refers to blanks available for immediate reamer manufacture

smooth cutting in graphite materials

JBO Thread Ring Gauge (NoGo) - Trapezoidal - Right Hand - 7e - Tr. 12 x 3 FLH 2) with a long-reachThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool used to verify external thread diameters on fasteners, shafts, and threaded components. It's ideal for quality control teams, machinists, engineers, and technicians in manufacturing, automotive, and aerospace environments who need reliable, fast confirmation that parts meet thread standards. Built to the exacting standards of trapezoidal thread form, right hand orientation, and 7e