the chuck expands quickly and evenly to accept the tool shank
improving hole surface finish and dimensional accuracy
combined with a left-hand spiral flute
It adheres to DIN 8051 B taper shank with ISO H5 tolerance and uses K10 carbide for durability
Flutes: 2-flute design for efficient material removal and stable cutting in mold and die work
JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4.5 x 0.5 M&D the chuck expands quickly 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