JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6G - M18 x 2.5 Shrink Fit Holders it delivers consistent final hole

it delivers consistent final hole sizes in demanding applications

This intermediate precision HSS‑E reamer features a straight shank

Wide cutting diameter range with tight tolerance: Enables you to tackle a broad set of tasks—from fine pockets to larger cavities—without tool changes

helping you minimize downtime on busy shop floors

this reamer delivers durable performance in tight bores

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6G - M18 x 2.5 Shrink Fit Holders it delivers consistent final holeThe JBO Thread Plug Gauge is a precision tool for verifying metric coarse internal threads in holes and housings. Designed for machinists, quality teams, and maintenance technicians, it quickly confirms that threaded connections will assemble and function as intended. This Go No Go gauge is configured for M18 x 2. 5 coarse threads and uses a right hand orientation to match standard fastener threads. With a robust hardened steel body and a knurled