JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M52 x 4 FMH Material / Grade: Carbide (K10)

Material / Grade: Carbide (K10) — intermediate precision

0) designed for deep pockets and intricate geometries

and finishing of complex geometries

delivers precise hole finishing to ISO H4 tolerances with a straight shank and left‑hand spiral flute for reliable

The 70 mm gauge length supports robust engagement and repeatable tool seating for consistent results

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M52 x 4 FMH Material / Grade: Carbide (K10)The JBO Thread Plug Gauge (GO) Metric Fine Right Hand 6H M52 x 4 is a precision go gauge designed to verify threaded holes in metal parts and assemblies that use Metric Fine, M52 x 4 right hand threads. It enables quick, reliable checks to confirm holes meet the required standard, helping inspectors and machinists maintain consistent quality across projects. Built from hardened steel for lasting durability, this gauge resists wear in demanding shop