JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M13 x 1 FLH minimizing deflection under load and

minimizing deflection under load and extending tool life in tough cutting conditions

5-Micron Run-Out for Superior Concentricity: Delivers near-perfect alignment between the tool and spindle

it’s a specialized solution when precision and consistency are essential

it combines a left-hand spiral flute with right-hand cutting and adheres to DIN 8089 standards for reliable interchangeability

With its carbide core

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M13 x 1 FLH minimizing deflection under load andIntroducing the JBO Thread Plug Gauge a precision instrument designed for metric fine threads. This Go No Go gauge makes quick, reliable inspection of internal threads straightforward, helping you verify that parts with M13 x 1 threads will assemble correctly. With a Right Hand orientation and 4H tolerance, its ideal for machine shops, QC labs, and field service where thread accuracy matters. Built to withstand daily use, the gauge features hardened