Description
Product overview
Mitutoyo Series 157 optical parallel sets. Quote-only. Also useful for field inspection, prototype measurement, research labs, university labs, and engineering QA.
Mitutoyo Optical Parallels Series 157 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 157 optical parallels for checking parallelism and flatness of micrometer measuring faces.
Technical data: flatness .000004in / 0.1um; parallelism .000008in / 0.2um; diameter 1.18in / 30mm.
Optical Parallel Specifications
Key specifications
| Unit system | Range of micrometer to be checked | Order No. | Assortment of parallels |
|---|---|---|---|
| Metric | 0-25mm | 157-903 | 12.00mm (157-101); 12.12mm (157-102); 12.25mm (157-103); 12.37mm (157-104) |
| Metric | 25-50mm | 157-904 | 25.00mm (157-105); 25.12mm (157-106); 25.25mm (157-107); 25.37mm (157-108) |
| Inch | 0-1" | 157-901 | .5000" (157-109); .5062" (157-110); .5125" (157-111); .5187" (157-112) |
| Inch | 1-2" | 157-902 | 1.0000" (157-113); 1.0062" (157-114); 1.0125" (157-115); 1.0187" (157-116) |
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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