while the internal coolant protects both tool and workpiece from heat-related distortion
built for finishing small-diameter holes to ISO H4 tolerance
accurate milling is essential
it follows a profile similar to DIN 212 B and is tolerance-matched to ISO H5
Carbide-tipped edge (K10) for durability and long tool life: The carbide construction resists wear
JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 6H - M72 x 1 Hydraulic Expansion Chucks while the internal coolant protectsThe JBO Thread Plug Gauge (NoGo) Metric Fine, Right Hand, 6H, M72 x 1 is a precision inspection tool designed for metric fine thread holes, ideal for engineers, machinists, inspectors, and maintenance professionals who need reliable hole sizing checks to ensure parts meet specification. Built for durability, its hardened steel construction delivers long lasting accuracy even in demanding work environments. Metric fine thread specialization: Engineered