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

versatile cutting diameter range: With a cutting diameter range of 1

controlled material removal for accurate hole finishing

5 precision for repeatable results: Tight tolerances ensure accurate tool positioning for reliable pocketing and finishing across jobs

repeatable results in deep groove and contour work

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