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while the taper shank simplifies setup and reduces run-out in standard machines
Robust 40 mm OD + 142 mm Length for Stability: Large external diameter and extended length deliver a sturdy
stable alignment for reliable hole quality across machining setups
The hollow-ground bore enables better side clearance
it features a 40 mm bore
JBO Thread Plug Gauge - UNJF Go-No/Go - Right Hand - 3B - 5/16 x 24 ER Collet Chucks while the taper shank simplifiesThe JBO Thread Plug Gauge is a precision inspection tool designed to verify internal threads quickly and reliably. It is calibrated for 5 16 x 24 right hand UNJF 3B threads, making it ideal for ensuring threaded holes and mating components meet exact specifications. With a go no go design, inspectors and machinists can identify non conforming threads at a glance, reducing guesswork and minimizing rework. Built for daily use in manufacturing,
