JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M4.5 x 0.3 A&NF This reamer is sized at

This reamer is sized at 28

With its cobalt-enhanced HSS and extended reach

The straight shank and stub length provide rigidity and reduced overhang in the machine

Left-Hand Spiral Flute with Right-Hand Cutting: Promotes smooth cutting and effective chip evacuation for a cleaner bore and reduced chatter

Space‑Saving Form: Slim profile fits into tight spaces around the spindle area

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M4.5 x 0.3 A&NF This reamer is sized atThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M4. 5 x 0. 3 is a precision inspection tool designed to verify external threads quickly and reliably. Ideal for manufacturing, assembly, and quality control environments, it helps technicians confirm that threaded parts meet the exact M4. 5 x 0. 3 (6g) specifications without guessing. Crafted from hardened steel for long lasting durability, this GO gauge resists wear in busy workshops and