square-edged cuts in tight rib features
HSS (M2) precision reamer built for engineers and hobbyists who demand exact bore finishing
yielding cleaner holes and smoother feeds
Carbide-tipped for extended tool life: The carbide tip (K10) provides superior wear resistance
while the coarse tooth arrangement speeds up slot creation without compromising edge quality
JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 6g - M48 x 5 Hydraulic Expansion Chucks square-edged cuts in tight ribThe JBO Thread Ring Gauge (GO) Metric Coarse, Right Hand, 6g, M48 x 5 is a precision inspection tool designed for engineers, machinists, quality teams, and workshop technicians. This GO gauge ensures external thread engagement meets exact specifications, enabling quick, reliable go no go checks on metric coarse threads. Built from hardened steel for exceptional wear resistance, it stands up to daily use in inspection routines, calibration checks, and