Mitutoyo 177-220 Setting Ring Gage, Metric, 1 mm, 20 mm OD, 4 mm THK, +/-1.5 um, Steel

A Mitutoyo steel calibration artefact for quick and accurate setting of dial bore gauges, Holtest gauges, and inside micrometers. The actual calibration value for the diameter is marked on each ring.

• Used for quick and accurate setting of dial bore gages, Holtest, and inside Micrometer
• Actual calibration value for the diameter is marked on each ring
• No anticorrosion treatment is required when handling ceramic setting rings normally, resulting in simple maintenance and storage.

Mitutoyo 177-220 1.000 mm ID | 20.000 mm OD | 4.000 mm Thick | ± 1.5 µm | Setting Rings & Set