Mitutoyo 468-980 Digimatic Holtest
Mitutoyo 468-980 Digimatic Holtest for 4-8" bore measurement with 0.001mm resolution, TiN-coated contacts, LCD display, and three-point gauge system.
Product details
| Model | 468-980 |
| Manufacturer | Mitutoyo |
| Category | Gage Blocks & Standards |
| Availability | Made to order |
Description
Overview
The Mitutoyo 468-980 Digimatic Holtest is a precision digital bore gauge designed for accurate measurement of internal diameters from 4 to 8 inches. Using a three-point measuring method, it contacts the bore surface at multiple points simultaneously to deliver consistent and repeatable readings. This model includes an extension rod and TiN-coated contact points for measuring deeper bores and blind holes. The instrument combines rugged durability with digital convenience, making it suitable for quality control, precision machining, and manufacturing environments.
Key Features
- Measurement range: 4 to 8 inches (101.6 to 203.2 mm)
- Resolution: 0.001 mm or 0.00005 inches
- Three-point measuring method for accurate and repeatable bore contact
- Extension rod for measuring larger and deeper bores
- TiN-coated measuring points for superior durability and impact resistance
- Large LCD display for easy reading and data recording
- Ratchet stop mechanism for consistent measuring force
- Functions: Presetting, Zero/ABS, Power On/Off, Data hold, Data output, Error alarm, Battery replacement alarm
- Two SR44 batteries with approximately 8 months of typical use
- Includes setting rings for verification and calibration
Applications
- Quality control and precision bore verification
- Internal diameter measurement in machining and metalworking
- Engine block and cylinder bore inspection
- Large bearing bore and seal measurement
- Manufacturing and production quality assurance
Included Accessories
- Wooden carrying case
- Extension rod for larger bore measurement
- Setting rings: 5 inch and 7 inch diameter
- Two SR44 replacement batteries
Specifications
| Measurement Range | 4 to 8 inches (101.6 to 203.2 mm) |
| Individual Ranges | 4-5 in, 5-6 in, 6-7 in, 7-8 in |
| Resolution | 0.001 mm or 0.00005 inches |
| Measuring Method | Three-point contact |
| Contact Points | TiN-coated |
| Display | LCD |
| Extension Rod | Yes, included for larger bores |
| Ratchet Stop | Yes, for constant measuring force |
| Battery | SR44 (2 pcs) |
| Battery Life | Approximately 8 months under normal use |
| Functions | Presetting, Zero/ABS, Power On/Off, Data hold, Data output, Error alarm, Battery replacement alarm |
| Setting Rings Included | 5 inch and 7 inch diameter |
| Case | Wooden carrying case |
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Mitutoyo 468-980 Digimatic Holtest