JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M78 x 1.5 Face Mill Arbors The M2 HSS composition provides

The M2 HSS composition provides dependable performance across steel and alloy workpieces

Made to order with reliable dispatch: Toolex’s manufacturing process provides predictable lead times (24–48 hours) so you can plan production with confidence

stub‑length carbide reamer designed for through‑coolant hole finishing

true holes in fewer passes

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M78 x 1.5 Face Mill Arbors The M2 HSS composition providesThe 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