JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 2 FMH The straight shank offers stable

The straight shank offers stable alignment in fixtures

smooth holes that meet strict ISO H5 tolerances

and ships with a stated despatch window of 24/48 hours

efficient reaming and a smoother finish

while maintaining a secure

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 2 FMH The straight shank offers stableThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. This left hand gauge covers M30 x 2 with a 6H tolerance, making it ideal for assemblies where exact thread fit matters. Its a practical choice for machine shops, quality labs, and maintenance teams that need reliable go no go hole checks in tight tolerance work. With its Go No Go design, you can quickly verify whether a threaded hole meets spec, reducing setup