JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M52 x 4 Hydraulic Expansion Chucks Its standard length and spiral-flute

Its standard length and spiral-flute geometry make it a reliable choice for metalworking

is built for precise rib profiling and curved surfaces

and longer tool life under demanding mold and die materials

Synchro Movement for Precise Tapping: Coordinated axial and rotary motion ensures consistent thread depth and alignment

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M52 x 4 Hydraulic Expansion Chucks Its standard length and spiral-fluteThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed for external thread measurement on components with an M52 x 4 size. Its ideal for metal fabrication shops, manufacturing lines, and quality control teams that need fast, reliable conformance checks. Built with a robust NoGo design and a hardened steel construction, this gauge helps you verify threads quickly and confidently, even in busy work environments. Exact 6g external