JBO Thread Ring Gauge (NoGo) - BSW - Right Hand - Medium Class - 5/16 x 18 Morse Taper Adaptor while the straight shank provides

while the straight shank provides stable guidance in manual or machine-assisted setups

and profiles where standard tools struggle to reach

it delivers durability and wear resistance for long-term use in demanding environments

ISO H5 tolerance for precise sizing: ISO H5 (-0 to +0

Left‑Hand Spiral Flute with Right‑Hand Cutting for Clean Finishes: Efficient chip control and stable cutting deliver clean

JBO Thread Ring Gauge (NoGo) - BSW - Right Hand - Medium Class - 5/16 x 18 Morse Taper Adaptor while the straight shank providesThe JBO Thread Ring Gauge (NoGo) for 5 16 x 18 BSW right hand threads is a precision tool designed to quickly and reliably verify external thread diameters. Sized for medium class tolerance, its NoGo function helps inspectors and machinists determine whether a parts threads meet standard specifications, ensuring proper fitment and reliable performance in critical assemblies. Crafted from hardened steel, this gauge is built to withstand daily use in