JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4.5 x 0.5 M&D improving hole surface finish and

improving hole surface finish and dimensional accuracy

Coating: AcuRea coating (M35 Cob) – hard surface multi-layer nano chrome

ensuring interchangeability and reliable results across compatible tooling setups

Flutes: 2-flute design for efficient material removal and stable cutting in mold and die work

combined with a left-hand spiral flute

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4.5 x 0.5 M&D improving hole surface finish andJBO Thread Plug Gauge Metric Fine Go No Go, Right Hand, 6H, M4. 5 x 0. 5 is a precision inspection tool designed to verify metric fine threaded holes. Its ideal for engineers, machinists, QA teams, and hobbyists who need fast, reliable checks to ensure mating parts fit correctly. This gauge is sized for the 6H tolerance class to support consistent, repeatable results in everyday production. Go No Go design for fast, unambiguous inspection: Allows