JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6G - M18 x 2.5 Shrink Fit Holders Its carbide construction and through-coolant

Its carbide construction and through-coolant capability work together to deliver consistent results

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

Secure taper-shank seating: Provides stable seating in compatible tool holders

The M2 HSS construction delivers durable cutting performance

This intermediate precision HSS‑E reamer features a straight shank

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6G - M18 x 2.5 Shrink Fit Holders Its carbide construction and through-coolantThe 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