JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4 x 0.5 Widin New this end mill offers standout

this end mill offers standout wear resistance for longer tool life and consistent performance

and cleaner tool paths

Material: Carbide for higher cutting speeds and longer edge retention

95 mm nominal bore size

repeatable checks that confirm holes meet standard thread specifications without guesswork

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M4 x 0.5 Widin New this end mill offers standoutThe JBO Thread Plug Gauge is a Go No Go inspection tool designed for metric fine threads. Its ideal for machinists, inspectors, engineers, and maintenance technicians who need fast, reliable thread verification to ensure parts fit correctly before assembly. The knurled grip provides a secure, comfortable hold for precise checks in busy workspaces. Designed for M4 x 0. 5 fine threads with a right hand orientation and 6H tolerance, this gauge delivers