JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M25 x 1.5 FMH FLH FHH S&E A&NF M&D The taper-shank design secures seating

The taper-shank design secures seating and accurate alignment in compatible holders

Designed for machinists and workshop teams

accurate hole finishes every time

high‑quality surface finishes in tight mold pockets

Long-Neck Design for Deep

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M25 x 1.5 FMH FLH FHH S&E A&NF M&D The taper-shank design secures seatingJBO Thread Plug Gauge Metric Fine Go No Go Right Hand 4H M25 x 1. 5 is a precision inspection tool designed to verify metric fine thread holes. Its ideal for engineers, machinists, quality teams, and workshop professionals who need a fast, reliable check that the hole accepts the exact M25 x 1. 5 thread. With its Go No Go design, you can perform quick pass fail checks, reducing guesswork and downtime. The gauge is built from hardened steel for long