JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6e - M4 x 0.5 Widin New Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting for efficient material removal: Flute orientation and cutting direction promote smooth bore surfaces and effective chip evacuation

helping maintain dimensional accuracy and a steadier cutting process

repeatable thread checks that streamline quality control

while the taper shank and standard length simplify integration with existing equipment

enabling quick tool changes and repeatable results across turning

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6e - M4 x 0.5 Widin New Left-hand spiral flute with right-handThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6e, M4 x 0. 5 is a precision ring gauge used to verify external thread diameters. Designed for right hand metric fine threads, it provides fast, reliable checks for quality control and assembly, with hardened steel construction that resists wear in busy workshops and a clear gauging edge for quick pass fail decisions. Instant Go No Go verification: Quickly confirms whether external threads meet