Starrett 78MXTZ-250 Inside Micrometer
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Starrett 78MXTZ-250 inside micrometer with 225-250mm range, high-resolution 2-point and 3-point contacts, tungsten carbide faces, and blind bore capability.
Product details
| Model | 78MXTZ-250 |
| Manufacturer | Starrett |
| Category | Micrometers |
| Availability | Made to order |
Description
Overview
The Starrett 78MXTZ-250 is a precision inside micrometer designed for accurate bore measurements in the 225-250mm range. It combines high-resolution contacts with durable tungsten carbide measuring faces, providing reliable performance for demanding precision measurement applications.
Key Features
- Measurement range: 225-250mm without changing anvils
- 2-point contact tools with 0.0001" (0.0025mm) resolution up to 1/4" (6mm)
- 3-point contact tools with 0.00025" (0.005mm) resolution from 1/4"-12" (6mm-300mm)
- Tungsten carbide measuring faces on 3-point heads above 1/2" (12.5mm)
- Ratchet stop ensures consistent, repeatable measurements
- Self-centering contacts for true, accurate readings
- Blind bore measuring capability above 1/2" (12.5mm) diameter
- Includes setting rings, contacts, wrenches, and storage case
Applications
- Large bore and hole measurement in manufacturing
- Quality control and precision inspection
- Verification of large internal diameters
Specifications
| Measurement Range | 225-250mm |
| Resolution (2-point) | 0.0001" (0.0025mm) |
| Resolution (3-point) | 0.00025" (0.005mm) |
| Measuring Faces | Tungsten carbide on 3-point heads |
| Contact Type | 2-point and 3-point self-centering |
| Features | Ratchet stop, blind bore measuring, extensions available up to 150mm |
| Included Accessories | Setting rings, contacts, wrenches, storage case |
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Starrett 78MXTZ-250 Inside Micrometer
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