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The Mitutoyo 368-261 Holtest Internal Micrometer has a measuring range of .275-.350" with Titanium coated Contact Point. These Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, even spaced at 120 degrees apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.
- Range: .275-.350"
- Graduation: .0001"/ 0.001mm
- Type: Titanium Contact Points
- Accuracy: .0001”
Features: A constant force ratchet design for more repetitive measurements, TiN coated anvils for longer wear life, New “cut pin method” keeps pins from sliding out of holder