Mitutoyo Inside Micrometer Set – 50–1000 mm (Modular Extension Type)
This Mitutoyo 50–1000 mm Inside Micrometer Set is a precision Japanese‑engineered measuring system designed for accurate internal diameter measurement across a very wide range. The modular extension rods allow fast configuration for different bore sizes, making this set ideal for workshops handling large components such as cylinders, sleeves, housings, and industrial tooling.
Mitutoyo’s inside micrometers are known for stable mechanics, crisp graduations, and long‑term durability. The hardened measuring contacts maintain consistent geometry, and the smooth thimble action ensures precise adjustments even at extended lengths.
Brand Information
Mitutoyo (Japan) A world‑leading manufacturer of metrology instruments used in machining, aerospace, automotive, and precision engineering industries.
Features and Performance
- 50–1000 mm measuring range — Covers medium to very large internal bores.
- Modular extension system — Multiple rods for flexible measurement setups.
- 0.01 mm resolution — Fine graduations for precise comparative measurement.
- Hardened measuring contacts — Durable and wear‑resistant.
- Smooth thimble movement — Consistent feel for accurate adjustments.
- Clear engraved scale — Easy‑to‑read markings for reliable measurement.
- Japanese build quality — Accurate, stable, and workshop‑ready.
Included
• 1 × Mitutoyo micrometer head (0.01 mm resolution)
• Extension rods covering 50–1000 mm range
• Storage wooden case
• No additional accessories unless shown in photos
Specifications
| Feature | Specification |
|---|---|
| Brand | Mitutoyo |
| Type | Inside micrometer set (modular extension type) |
| Measuring Range | 50–1000 mm |
| Resolution | 0.01 mm |
| Contacts | Hardened steel |
| Construction | Stainless steel body and thimble |
| Country of Origin | Japan |
| Included Items | Micrometer head + extension rods + case |
Keywords
Mitutoyo inside micrometer; modular extension micrometer; 50–1000 mm micrometer; 0.01 mm resolution; Japanese measuring tool; internal diameter gauge; machinist inspection tool; workshop metrology instrument.









