JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M30 x 1 ER Mini Collet Chucks true holes in a single

true holes in a single setup

56 mm diameter and H5 class

promoting longer tool life and more consistent performance between changes

Material: Intermediate HSS (M2) precision hand reamer

The left-hand spiral flute with right-hand cutting supports efficient chip evacuation and predictable finishes across intermediate reaming tasks

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M30 x 1 ER Mini Collet Chucks true holes in a singleJBO Thread Plug Gauge is a precision tool designed to quickly verify metric fine threaded holes. It is configured for right hand M30 x 1 threads with a 6H tolerance, using a Go No Go design to provide fast, confident checks for manufacturing, assembly, and quality control tasks. Go No Go Quick Verification: Quickly determine whether the hole is within tolerance, reducing inspection time and ambiguity in pass fail decisions. Right Hand Metric Fine