JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 1 x 8 NCDC Drill Chuck It features an O-ring seal

It features an O-ring seal to prevent coolant leaks and maintain proper coolant flow

and stabilizes the tool during deep groove milling for consistent results

Coating: AcuRea coating with hard multi‑layer nano chrome finish

It provides repeatable alignment and precise hole finishing in everyday workshop use

DIN 8093 / ISO H4 tolerance: Ensures consistent hole dimensions and reliable compatibility with standard assemblies in your workflow

JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 1 x 8 NCDC Drill Chuck It features an O-ring sealThe JBO Thread Plug Gauge is a go no go inspection tool designed for BSW right hand threads, sized 1 x 8, in medium class. Built for engineering teams, machine shops, and quality inspectors, it helps verify threaded hole accuracy quickly and reliably. Use it to confirm parts meet standard thread dimensions before assembly, maintenance, or sourcing components. With its precise dimensions and meticulous design, the gauge supports efficient quality