JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M12 x 1.25 Face Mill Arbors The combination of M35 cobalt

The combination of M35 cobalt content and a left-hand spiral flute paired with right-hand cutting provides predictable performance in precision reaming while maintaining compatibility with standard straight-shank setups

repeatable hole sizes (to ISO H5) with fewer passes

Flutes: 2-flute configuration for efficient chip clearance and stable cutting

accurate bore finishes in shallow or through holes

delivering a reliable MT1 interface for lathes and milling machines

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M12 x 1.25 Face Mill Arbors The combination of M35 cobaltThe JBO Thread Ring Gauge GO Metric Fine, Right Hand, 6g, M12 x 1. 25 is a precision tool designed to verify external thread sizes quickly and reliably. Its ideal for engineers, machinists, quality inspectors, and shop staff who need to confirm that threaded components meet exact specifications in production, assembly, or maintenance tasks. Crafted from hardened steel for durability, it resists wear in busy environments and maintains its accuracy over