JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M50 x 2 NCDC Drill Chuck Designed for reliability in production

Designed for reliability in production environments

and smoother integration into standard machining setups

49 mm hand reamer delivers tight ISO H5 tolerances with a stable straight shank

while the Toolex/BS 328/4 specification backing offers confidence in durability and consistency for production or precision tasks

it’s manufactured to order—please allow 24–48 hours for despatch

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M50 x 2 NCDC Drill Chuck Designed for reliability in productionThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 4h M50 x 2 is a precision inspection tool designed to verify external metric threads with confidence. Its ideal for engineers, machinists, quality inspectors, and shop technicians who need fast, reliable confirmation that a threaded component meets exact specifications. Manufactured from hardened steel, this GO gauge delivers durable performance in demanding workshop environments. Its metric fine