JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M16 x 1 FMH FLH FHH S&E A&NF M&D and light machining workloads

and light machining workloads

53 mm is a precision finishing tool designed for engineers

5 left-hand threads for fast

controlled reaming at 0

this collet family helps you maintain consistent results across long runs

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M16 x 1 FMH FLH FHH S&E A&NF M&D and light machining workloadsJBO Thread Plug Gauge is a precision tool for verifying metric fine internal threads. This left hand Go No Go gauge is sized for M16x1 holes with a 6H tolerance, enabling fast, reliable inspection of threaded cavities. It's ideal for engineers, machinists, quality teams, and assembly lines that require consistent fits without guesswork. Go No Go quick thread validation: Rapidly confirm that LH M16x1 internal threads meet tolerance in a single check,