JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M85 x 2 Face Mill Arbors - Anti-Vibration 4-flute variable-helix with multiple corner

4-flute variable-helix with multiple corner radii: Provides stable cutting and flexible corner radius options to fit a range of part geometries and applications

3) to deliver smooth rotation with minimal vibration

while the straight shank and standardized tolerance support quick

as well as pre-hardened steel

DIN 8051 B tolerance with ISO H5 precision: Ensures true sizing and reliable fit in compatible toolholders

JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M85 x 2 Face Mill Arbors - Anti-Vibration 4-flute variable-helix with multiple cornerThe JBO Thread Plug Gauge (GO) is a precision inspection tool designed to verify internal metric fine threads in tapped holes. Ideal for engineers, quality inspectors, machinists, and workshop technicians, this GO gauge helps you confirm that a hole accepts the correct minimum thread exposure, ensuring parts meet required standards quickly and consistently. Crafted from hardened steel, the gauge delivers outstanding wear resistance and long service