JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M8.5 x 0.5 Face Mill Arbors - Through Coolant The combination of M2 high-speed

The combination of M2 high-speed steel and ISO H5 tolerance supports reliable performance across multiple reaming operations

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

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

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 The combination of M2 high-speedThe 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