JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M8.5 x 0.5 Face Mill Arbors - Through Coolant and reliable performance in deep

and reliable performance in deep grooves and sloped surfaces

accurate cuts with efficient material removal and smoother finishes on a variety of materials

This end mill is built to improve workflow and consistency—from reliable fillet formation to uninterrupted cuts in deep cavities

Secure taper shank mounting: Keeps the reamer aligned in compatible toolholders

Variable helix with square edge for versatility: The variable helix reduces vibration and chatter

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M8.5 x 0.5 Face Mill Arbors - Through Coolant and reliable performance in deepThe JBO Thread Plug Gauge is a precision Go No Go gauge designed for metric fine threads, specifically calibrated for M8. 5 x 0. 5 right hand threads. Use it to quickly verify threaded holes meet the required tolerance before assembly, helping you confirm fit and function with confidence. Built for everyday workshop use, the gauge features a hardened steel body with two calibrated ends for quick Go and No Go checks in a single tool. This arrangement