JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 2 FMH consistent surface finish on stainless

consistent surface finish on stainless and exotic alloys

this reamer ensures precise

Carbide durability for wear resistance: Carbide construction delivers superior hardness and wear resistance

smooth holes that meet strict ISO H5 tolerances

and reliable performance in high-speed milling

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 2 FMH consistent surface finish on stainlessThe 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