Mitutoyo 468-978 Digital Holtest Inside Micrometer Head Set 0.8-2 Inch Range

The Mitutoyo 468-978 Digital Holtest is a precision inside micrometer head set designed for accurate measurement of internal dimensions, bore diameters, and hole sizes in the 0.8 to 2 inch range. This three-point contact measurement system ensures reliable, repeatable measurements in production and inspection environments.

Key Features:

• TiN (Titanium Nitride) coated measuring contact points provide exceptional durability and impact resistance while allowing measurement to the bottom of blind holes
• Large, easy-to-read LCD display for clear viewing of measurements in any lighting condition
• Ratchet stop mechanism ensures constant measuring force for consistent, repeatable results
• Digital readout eliminates reading errors associated with analog scales
• Three-point contact design provides excellent centering and measurement stability
• Measurement range: 0.8 to 2 inches (20.32 to 50.8mm)

This Holtest head set is ideal for precision machining applications, quality control inspection, and tool room environments where accurate internal measurements are critical. The digital display and ratchet stop make this tool suitable for both experienced metrologists and operators requiring consistent measurement results.