JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M25 x 1.5 A&NF Material: HSS (M2) high-speed steel

Material: HSS (M2) high-speed steel for durable wear resistance

Left-hand spiral flute with right-hand cutting: Efficient chip evacuation and stable cutting ensure consistent

repeatable seating with a wide range of shell mills

sized for 6G tolerance with an M12 x 1

The straight shank enables secure grip in standard chucks or collets

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M25 x 1.5 A&NF Material: HSS (M2) high-speed steelThe JBO Thread Plug Gauge is a precision tool designed to inspect metric fine threaded holes, specifically M25 x 1. 5 with a 6H tolerance, in a right hand orientation. Its ideal for engineers, machinists, quality inspectors, and assembly teams that rely on exact fits for reliable performance. The Go No Go design provides quick, clear pass fail feedback to confirm whether a hole will accept the mating part. With a simple, intuitive use in mind, this