Mitutoyo 368-264 Holtest Inside Micrometer 0.5-0.65 Inch Range

The Mitutoyo 368-264 Holtest is a precision inside micrometer designed for accurate measurement of bore diameters, hole sizes, and internal dimensions in the 0.5 to 0.65 inch range. This high-precision measuring tool features a resolution of 0.0001 inches, making it ideal for quality control, inspection, and machining applications where tight tolerances are critical.

Key Features:

• Measurement range: 0.5 to 0.65 inches (12.7 to 16.5mm)
• Resolution: 0.0001 inches (0.001mm) for precise measurements
• Titanium nitride (TiN) coated carbide contact points for superior wear resistance and extended tool life
• Ratchet stop mechanism ensures consistent measuring force and repeatable results
• Three-point contact design provides stable, accurate measurements
• Compatible with optional setting rings for zero-point calibration and adjustment

The Holtest's carbide-tipped construction with TiN coating delivers exceptional durability in demanding production environments, while the ratchet stop feature helps operators achieve consistent measurements regardless of skill level. This internal micrometer is an essential tool for machinists, quality inspectors, and manufacturing professionals who require reliable bore measurement capabilities.