JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M6 x 0.5 G round holes and repeatable results

round holes and repeatable results in metalworking tasks

Use this reamer to bring drilled holes to a precise diameter with a smooth

The combination of M2 HSS material and ISO H5 tolerance supports long tool life and dependable performance across demanding reaming tasks

Long-neck geometry for draft-angle clearance: The extended neck length provides interference-free reach for draft-angle workpieces

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M6 x 0.5 G round holes and repeatable resultsThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool for quickly verifying the external thread diameter of metric fine threads. Its designed for engineers, quality inspectors, machinists, and shop floor teams to confirm parts meet the required NoGo limit and prevent undersized or out of spec fasteners from moving forward. This Left Hand version covers M6 x 0. 5 threads and is manufactured from hardened steel for durable, long lasting