JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M14 x 0.5 ER Mini Collet Chucks Centre Cutting: Yes

Centre Cutting: Yes

Efficient debris and coolant management: Captures and channels away chips

Cutting direction: Right-hand cutting for stable finishing passes

inspectors spend less time guessing and more time verifying

while the spiral flute aids efficient chip evacuation for smooth bore finishing

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M14 x 0.5 ER Mini Collet Chucks Centre Cutting: YesThe JBO Thread Plug Gauge is a precision tool designed to verify metric fine threads in internal holes. Its ideal for machining shops, manufacturers, maintenance teams, and hobbyists who need fast, reliable thread checks that dont slow down production. With a Go No Go design, a right hand orientation, and a hardened steel body, this gauge delivers repeatable, accurate comparisons for M14 x 0. 5 threads in the 4H tolerance class, ensuring components