Mitutoyo 139-178 Tubular Inside Micrometer 4-20"
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Mitutoyo 139-178 tubular inside micrometer for 4-20" bore measurements with interchangeable extension rods, 1" head travel, and lightweight hollow pipes for precision ID inspection.
Product details
| Model | 139-178 |
| Manufacturer | Mitutoyo |
| Category | Micrometers |
| Availability | Made to order |
Description
Overview
The Mitutoyo 139-178 is a tubular inside micrometer designed for measuring internal dimensions of cylinders, rings, and parallel surfaces. With a measurement range of 4-20 inches, it provides precise ID measurements through interchangeable extension rods and a vernier scale.
Key Features
- Measurement range: 4-20 inches
- Head travel: 1 inch
- Interchangeable extension rods: 1, 2, 4, and 8 inches
- Lightweight, hollow-diameter extension pipes for reduced weight and improved rigidity
- Vernier scale for precise reading accuracy
- Includes fitted wooden carrying case
Applications
- Precision measurement of internal bore diameters
- ID measurement of rings and cylinders
- Quality control and manufacturing inspection
Included Accessories
- Extension rods: 1, 2, 4, 8 inches
- Fitted wooden carrying case
Specifications
| Range | 4-20 inches |
| Head Travel | 1 inch |
| Extension Rods | 1, 2, 4, 8 inches |
| Type | Tubular Inside Micrometer |
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Mitutoyo 139-178 Tubular Inside Micrometer 4-20"
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