15 mm with ISO H5 tolerance in line with DIN 8051 standards
Piloted design: Integrated pilot provides precise alignment and stability
stub‑length carbide reamer designed for through‑coolant hole finishing
Made to order with reliable dispatch: Toolex’s manufacturing process provides predictable lead times (24–48 hours) so you can plan production with confidence
true holes in fewer passes
JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M78 x 1.5 Face Mill Arbors 15 mm with ISO H5The JBO Thread Ring Gauge (GO) Metric Fine, Left Hand, 6g, M78 x 1. 5 is a precision go no go inspection tool for external threads. Its designed for engineers, machinists, quality teams, and workshop technicians who need fast, reliable verification that threaded components meet exact outside diameter and pitch specifications. Crafted from hardened steel, this gauge delivers exceptional durability and wear resistance in demanding work environments. Its