JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M8 x 0.5 FMH Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting: Optimized chip evacuation and a stable cutting action reduce loading and improve hole quality in tougher materials

The Toolex Stub-Type Reamer in HSS-E delivers precise bore finishing at a 3

and being manufactured to order means you receive the exact size you need within 24–48 hours of order placement

With a straight shank and extended reach

supporting sustained accuracy on high-volume runs

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M8 x 0.5 FMH Left-hand spiral flute with right-handThe JBO NoGo Ring Gauge (Metric Fine, Right Hand, 4h, M8 x 0. 5) is a precision instrument used to verify external thread diameters on fasteners and machined parts. It enables quick, reliable go no go checks to confirm parts meet the M8 x 0. 5 specification. Crafted from hardened steel with a durable finish, it delivers lasting performance in busy workshops while maintaining accurate measurements across many uses. Precise NoGo verification for M8 x 0.