Description
Product overview
Quote-only Mitutoyo Series 186 Radius Gages. Also useful for calibration labs, research QA programs, university labs, and traceable measurement workflows.
Mitutoyo Radius Gages Series 186 is part of Mitutoyo Section E (Gage Blocks and Reference Gages). 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 E-39
Radius gages with the radius size stamped on each gage. Concave and convex radius gages become a pair and include a locking clamp.
Technical Data
Key specifications
| Item | Value |
|---|---|
| Accuracy | +/-.002" |
Specifications
| Order No. | Range | Unit | Composition of Leaves | Remarks |
|---|---|---|---|---|
| 186-110 | 0.4 – 6mm | Metric | 18 leaves: 0.4, 0.8, 1, 1.2, 1.5, 1.6mm, 1.75 – 3mm by 0.25mm, 3.5 – 6mm by 0.5mm | 90 degree arc |
| 186-105 | 1 – 7mm | Metric | 34 pairs: 1 – 3mm by 0.25mm, 3.5 – 7mm by 0.5mm | 180 degree arc |
| 186-106 | 7.5 – 15mm | Metric | 32 pairs: 7.5 – 15mm by 0.5mm | 180 degree arc |
| 186-107 | 15.5 – 25mm | Metric | 15 pairs: 15.5 – 20mm by 0.5mm, 21 – 25mm by 1mm | 180 degree arc |
| 186-103 | 1/32" – 17/64" | Inch | 16 leaves: 1/32" – 17/64" by 64ths | 90 degree arc |
| 186-101 | 1/32" – 1/4" | Inch | 15 pairs: 1/32" – 1/4" by 64ths | 180 degree arc |
| 186-102 | 17/64" – 1/2" | Inch | 16 pairs: 17/64" – 1/2" by 64ths | 180 degree arc |
| 186-104 | 9/32" – 33/64" | Inch | 16 leaves: 9/32" – 33/64" by 64ths | 90 degree arc |
Applications beyond production metrology
Common applications beyond production metrology include calibration support for research facilities, university measurement labs, engineering QA programs, instrument verification, standards rooms, and traceable measurement workflows for industrial R&D.
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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