JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4 x 0.25 S&E featuring a straight shank designed

featuring a straight shank designed for stable

cleaner holes and tight size control that meets strict standards

this end mill maintains sharpness and consistency even when machining tough materials such as hardened steels and alloys

Gash tooth design to reduce flute chipping: enhances edge durability and chip evacuation

It combines a left-hand spiral flute with right-hand cutting for controlled material removal and smooth bore finishes

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4 x 0.25 S&E featuring a straight shank designedThe 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