JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M18 x 0.5 ER Collet Chucks The sharp square edge ensures

The sharp square edge ensures crisp

consistent geometry across parts

spiral-flute reamer crafted from HSS-E for precise hole enlargement and finishing

you can complete more work in less time and trust this tool to perform consistently job after job

Its combination of carbide rigidity

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M18 x 0.5 ER Collet Chucks The sharp square edge ensuresThe JBO Thread Plug Gauge is a right hand, metric fine Go No Go gauge designed for M18 x 0. 5 threads with a 6H tolerance. Its ideal for engineers, machinists, quality inspectors, and hobbyists who need fast, reliable checks to confirm that threaded holes will accept mating parts without guesswork. Go No Go design for fast verification: Instantly determine whether a threaded hole is within tolerance, reducing inspection time and preventing incorrect