JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M18 x 1 FMH FLH FHH S&E A&NF M&D The DIN 212‑B specification and

The DIN 212‑B specification and ISO H5 tolerance guarantee interchangeability with compatible tooling and predictable results

allowing reliable performance on hardened materials up to HRc70 without frequent tool changes

helping the tool stand up to repetitive rib machining and reducing replacement frequency

slip-free hold on every bit

supporting consistent results across multiple holes

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M18 x 1 FMH FLH FHH S&E A&NF M&D The DIN 212‑B specification andThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M18 x 1 is a precision inspection tool designed to verify external thread diameters on fasteners and threaded components. Its ideal for machinists, quality teams, and assembly professionals who need a reliable reference to confirm parts meet the M18 x 1 fine thread specification and the 6g tolerance class. Crafted from hardened steel for durability, this gauge delivers long lasting performance