JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 1.5 FLH Whether you’re refining delicate radii

Whether you’re refining delicate radii or depth-limited pockets

while the straight shank ensures easy setup across different machines and holders

Its straight shank and durable HSS-E construction make it a reliable choice for finishing operations that demand consistent performance

designed for engineers

Applications: Ideal for enlarging existing holes and achieving a controlled diameter across a range of materials

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 1.5 FLH Whether you’re refining delicate radiiThe JBO Thread Plug Gauge is a precision tool engineered to verify metric fine threaded holes with a left hand thread profile. Sized for M30 x 1. 5 and built to the 6H tolerance, this Go No Go gauge lets technicians quickly confirm that a hole meets the exact specification before assembly. Whether youre an engineer, a quality inspector, a machinist, or a hobbyist, this compact gauge fits into busy workflows. Its straightforward go no go action