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W coating for longer life and stability: The advanced coating reduces wear and heat build-up
Left-hand spiral flute with right-hand cutting: Delivers controlled chip flow and a stable bore throughout the finishing pass
005 mm tolerance across production runs
Taper shank in standard length: Fits typical tool holders and setups without adapters
Shank type: Straight shank for compatibility with standard tool holders
JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M55 x 3 Tapping Chucks W coating for longer lifeThe JBO Thread Plug Gauge (GO) Metric Fine is a precision go gauge designed to quickly verify threaded holes in metric sizes. Its ideal for engineers, machinists, quality inspectors, and workshop teams who need fast, reliable confirmation that internal threads meet specification before assembly or production runs. Crafted from hardened steel, the JBO Go Gauge delivers lasting performance in demanding work environments. Its metric fine sizing (M55 x 3)
