Description
Product overview
Mitutoyo Series 158 optical flats. Quote-only. Also useful for field inspection, prototype measurement, research labs, university labs, and engineering QA.
Mitutoyo Optical Flats Series 158 is part of Mitutoyo Section B (Micrometers). Macroscopic Solutions supplies this product through a reviewed purchase or quote path so configuration, compatibility, shipping, freight, accessories, and support requirements can be confirmed before fulfillment.
Catalog reference: US-1005 B-50
Quote-only Mitutoyo Series 158 optical flats for inspecting flatness of micrometer or gage block measuring faces.
Optical Flat Specifications
Key specifications
| Unit system | Flatness | Order No. | Diameter / thickness |
|---|---|---|---|
| Metric | 0.2um | 158-117 | 45mm / 12mm |
| Metric | 0.2um | 158-119 | 60mm / 15mm |
| Metric | 0.1um | 158-118 | 45mm / 12mm |
| Metric | 0.1um | 158-120 | 60mm / 15mm |
| Inch | .000004" | 158-122 | 1.8" / .5" |
| Inch | .000004" | 158-124 | 2.4" / .6" |
Applications beyond production metrology
Common applications beyond production metrology include field and bench inspection for research teams, prototype measurement, university teaching labs, geoscience sample fixture checks, botanical and life-science lab hardware measurement, engineering QA, and oil and gas maintenance or component documentation.
Application notes are general examples for discovery and planning; confirm suitability, tolerances, fixtures, standards, and regulatory requirements for the specific measurement task.







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