JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M19 x 1 Face Mill Arbors - Through Coolant while the geometry supports clean

while the geometry supports clean finishes and accurate hole sizing across multiple passes

designed for accurate hole finishing in milling and turning setups

making it well-suited for precision work that mirrors DIN 212 B standards

and a targeted corner radius helps you finish parts faster with fewer reworks

it’s built from HSS‑E (M35 Cob) and finished with AcuRea multi‑layer nano chrome coating for durability and smooth operation

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M19 x 1 Face Mill Arbors - Through Coolant while the geometry supports cleanThe JBO Thread Ring Gauge (GO) is a precision tool designed to verify external metric threads with ease. Sized for M19 x 1 and configured as a metric fine, right hand gauge, it helps inspectors, machinists, and quality teams quickly confirm parts meet the required thread standards. Crafted from hardened steel for exceptional durability, this GO gauge resists wear in demanding environments and maintains accuracy over time. Its straightforward GO check