JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M27 x 1 Milling Cutter Arbors accurate bores in line with

accurate bores in line with DIN 206-B specifications

The robust HSS construction paired with a taper-shank design provides reliable performance across demanding machining tasks

supporting quick setup and stable guidance through the bore

Length: 35 mm overall length with a long-neck design for deep pockets

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M27 x 1 Milling Cutter Arbors accurate bores in line withThe JBO Thread Ring Gauge (GO) is a precision tool for quick, reliable verification of external thread diameters on fasteners and threaded components. Sized for metric fine threads, it helps inspectors and machinists confirm that M27 x 1 threads meet the required tolerance and fit. Built as a left hand GO gauge with 6g tolerance, it supports accurate go no go inspections across quality control, manufacturing, and maintenance environments. Precise