JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4 x 0.25 S&E and dependable finishes that meet

and dependable finishes that meet tight tolerances

cleaner holes and tight size control that meets strict standards

Intended use: Ideal for production cutting and arduous applications

featuring a straight shank designed for stable

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4 x 0.25 S&E and dependable finishes that meetThe JBO Thread Plug Gauge is a precision tool designed to verify metric fine threaded holes. It uses a Go No Go design to quickly confirm that M4 x 0. 25 threads meet the required size and tolerance, making it ideal for quality checks during manufacturing, assembly, and maintenance. This gauge is tailored for right hand threaded holes, helping you confirm proper fit every time. Go No Go design for fast, confident hole checks: Quickly determine if a