JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M12 x 1.25 NCDC Drill Chuck predictable hole size that reduces

predictable hole size that reduces rework and improves fit in assembled parts

allowing you to specify exact finishing needs while benefiting from durable HSS construction and a proven design

and supports machining of hard materials up to HRc70 with confidence

The Magafor Reamer combines durable construction

Ergonomic knurled grip: Easy handling and confident alignment during inspection

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M12 x 1.25 NCDC Drill Chuck predictable hole size that reducesThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads, specifically tailored for right hand M12 x 1. 25 applications with a 4H tolerance. Its ideal for machinists, quality inspectors, and maintenance technicians who need fast, reliable checks to ensure threaded holes will accept components cleanly and consistently. Built for daily workshop use, this gauge combines a robust, hardened steel construction with a