JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M6 x 0.5 G This intermediate precision HSS (M2)

This intermediate precision HSS (M2) straight shank reamer is sized at 18

and slotting in demanding metals

00mm is an intermediate precision tool designed to finish holes to exact 15

it provides a robust seating length for fast tool changes and stable cutting at high speeds

and supports a smooth workflow across materials from steel to aluminum

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M6 x 0.5 G This intermediate precision HSS (M2)The JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M6 x 0. 5 is a precision GO gauge designed to verify external threads against the M6 x 0. 5 metric fine standard. It helps engineers, buyers, and technicians quickly confirm whether threaded parts meet exact specifications during inspection, assembly, and quality control. Crafted from hardened steel, this gauge delivers durable performance in daily workshop use. The left hand configuration is