JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M40 x 2 Power Milling Chucks 86 mm) is a precision

86 mm) is a precision carbide-tipped reamer designed for reliable bore finishing

you’ll reduce setup time

reducing inspection time and clarifying pass/fail outcomes

precise features with confidence

Flutes: 2-flute configuration for balanced chip removal and rigidity

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M40 x 2 Power Milling Chucks 86 mm) is a precisionThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M40 x 2 is a precision go ring gauge designed to verify external thread diameters for metric fine threads. Sized specifically for M40 x 2 left hand threads, it helps machinists, inspectors, and buyers quickly determine if a threaded component conforms to the required minimum diameter. Crafted from hardened steel, this gauge offers durability and wear resistance for reliable performance in