JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M39 x 3 Tapping Chucks 005 mm) delivers tight control

005 mm) delivers tight control over finished hole dimensions for repeatable fits in production runs

and field technicians confirm conformance to thread standards and ensure reliable seals before assembly

reducing chip buildup and enhancing bore quality

and hobbyists who demand tight tolerances and reliable results

It carries a tight DIN 212-B tolerance of D = 0 + 0

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M39 x 3 Tapping Chucks 005 mm) delivers tight controlThe JBO Thread Ring Gauge (NoGo) in Metric Fine is a precision tool for checking external threads. It helps technicians, engineers, and quality teams quickly confirm whether threaded components meet the required standards, reducing guesswork during inspection. This left hand, metric fine gauge is designed for sizes like M39 x 3, making it ideal for left handed applications and critical assemblies. NoGo verification for rapid conformance checks: