JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M30 x 2 Hex Key Drill Chuck This precision hand reamer finishes

This precision hand reamer finishes bores to a tight H5 tolerance

helping you achieve a smooth

maintenance‑friendly design

making it a dependable choice for precision reaming tasks where a 18

Designed for reliability in precision reaming tasks

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M30 x 2 Hex Key Drill Chuck This precision hand reamer finishesThe JBO Thread Plug Gauge is a precision tool for inspecting internal metric threads, tailored for right hand M30 x 2 holes in the 6G class. It's a practical choice for engineers, machinists, inspectors, and serious hobbyists who need quick, dependable thread verification. Featuring a Go No Go design, it lets you confirm tolerance with a simple test: the Go end should thread in with a smooth, consistent feel, while the No Go end must not screw in past