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Mitutoyo 137-206 | Tubular Inside Micrometer | 50–150 mm, 3 rods, carbide tipped
Part Number : 137-206
The Mitutoyo 137-206 is an extension rod type tubular inside micrometer covering 50–150 mm, with carbide measuring faces and 0.01 mm graduation. The 137-206's 3 rods (13, 25, 50 mm) are spring-mounted cylindrical gauge rods held in protective sleeves, so the range can be extended as needed. Select the 137-206 for internal dimensions from 50 mm up to 150 mm.
- Accuracy ±(3 + n + L/50) µm, where n is the number of rods and L the maximum measuring length in mm (137-206)
- Extension set: 3 rods (13, 25, 50 mm), Ø12.5 mm (carbide-faced 137-206)
- Measuring span 13 mm, spindle pitch 0.5 mm on the 137-206
- Carbide measuring faces, 145 g mass (137-206)
- Box and key included with the 137-206
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