Mitutoyo 511-201 Dial Bore Gauge for Small Holes, 10-18.5mm Range, Without Dial Gauge or Protector Cover

Key features

• Total measurement range of 10 to 18.5 mm
• Two-point contact for detection of geometry problems such as ovality and taper
• Carbide-tipped contact points for extended wear and improved abrasion resistance
• Country of origin: Japan

The Mitutoyo 511-201 Dial Bore Gauge for Small Holes has a measurement range of 10 to 18.5 mm. This direct-measuring gauge uses a two-point contact system to detect geometry problems such as ovality and taper, and carbide-tipped contact points offer extended wear and improved abrasion resistance. The outside diameter of the stem is 8 mm. This gauge is for use with Mitutoyo dial indicators (sold separately). Bore gauges measure holes, or bores, in a workpiece. They can measure the interior diameter of a hole at any depth, while internal micrometers can only measure to the depth of their teeth. Bore gauges are typically calibrated with a setting ring and come in two types: simple and direct-measuring. Simple bore gauges are used with a caliper to transfer the hole measurement, while the more complex gauges take the measurement directly, and display it through a vernier, dial, or digital display. Bore gauges have a two- or three-point contact, indicating how many points on the gauge head touch the inside of the bore. Two-point contacts are better at measuring ovality, while three-point contacts are used to measure lobing or triangular form error. Pistol-grip bore gauges are used for f

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