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it uses a left-hand spiral flute and right-hand cutting to deliver stable chip flow and accurate bore finishes
helping you achieve precise bore sizes with minimal finishing work
and durable HSS-E material helps you streamline finishing operations
Left-hand flute with straight shank: Stable cutting action and easy mounting in standard machine tool holders
The DIN 8089 standard aligns with common reaming procedures
JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M12 x 1 Boring Bar Blank it uses a left-hand spiralThe JBO Thread Plug Gauge is a precision Go No Go inspection tool designed for metric fine threads. Specifically engineered for M12 x 1 right hand threads with 6H tolerance, it helps ensure threaded holes meet exact specifications during manufacturing, assembly, and quality control. Crafted from hardened steel and finished with a knurled, non slip body, this gauge delivers durable, long lasting performance in busy workshops while providing consistent
