Description
Condition: This Mitutoyo 50–75 mm inside micrometer (model 145-187) is used but remains in excellent working condition. It comes as a complete set with the original storage box, adjustment tool, and factory papers included.
The Mitutoyo 145 series inside micrometers are designed for precise internal diameter measurement over shorter ranges, making them ideal for applications requiring high repeatability and accuracy. With a hardened spindle and finely graduated thimble, the 145-187 delivers dependable readings in demanding machining and inspection environments.
Features & Technical Specifications
| Parameter | Detail |
|---|---|
| Condition | Used, complete set with box, papers, and adjustment tool |
| Measuring Range | 50 mm to 75 mm |
| Graduation / Resolution | 0.01 mm |
| Accuracy | ±3 µm |
| Micrometer Head Travel | 25 mm |
| Spindle / Measuring Faces | Hardened steel |
| Thimble | Satin chrome finish, clear graduations |
| Locking Mechanism | Positive spindle lock for secure measurement |
| Storage | Original fitted box with adjustment tool and documentation |
| Brand / Series | Mitutoyo, Series 145 inside micrometer |
Applications
- Precision internal diameter measurement for machinists and toolmakers
- Suitable for bore gauging in sleeves, housings, and small cylinders
- Reliable instrument for quality control and inspection in workshops and metrology labs
