JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 1.5 G Precisely sized for standard NPT

Precisely sized for standard NPT threads: Calibrated specifically for 1/8 x 27 NPT with right-hand threading

DIN 8051 B / ISO H5 tolerance: Delivers precise hole sizing and reliable interchange in assemblies

Long-neck taper design with adjustable neck length: Reduces vibration and chatter

Left-hand spiral flute with straight shank: Supports stable cutting

and extended reach for deep grooves

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M12 x 1.5 G Precisely sized for standard NPTThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M12 x 1. 5 is a precision gauge designed to verify external thread diameters on metric fine threads. It's a reliable tool for engineers, inspectors, machinists, and maintenance professionals who need fast, confident checks to confirm components meet standard thread sizes before assembly or further processing. Precise NoGo verification for metric fine external threads: Quickly indicates non