Description
Product overview
Mitutoyo Bore Gages Series 511 – Extension Rods and Spanners. Quote-only. Also useful for field inspection, prototype measurement, research labs, university labs, and engineering QA.
Mitutoyo Bore Gages Series 511 – Extension Rods and Spanners is part of Mitutoyo Section C (Inside Measurement). 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 C-22, C-23
Quote-only Series 511 extension rods and spanners from catalog US-1005. Catalog note: extension rods listed are used for 511-1XX series and are not available for 511-2XX series.
Accessory Specifications
Key specifications
| Accessory Type | Order No. | Bore Gage Measuring Range | Extension Length | Rod Diameter | Notes |
|---|---|---|---|---|---|
| Extension rod | 953549 | .7-1.4" / 18-35mm | 4.92" / 125mm | .34" / 8.7mm | |
| Extension rod | 953550 | .7-1.4" / 18-35mm | 9.84" / 250mm | .34" / 8.7mm | |
| Extension rod | 953551 | .7-1.4" / 18-35mm | 19.69" / 500mm | .34" / 8.7mm | |
| Spanner | 102148 | .7-1.4" / 18-35mm | Spanner for compatible Series 511 bore gage range | ||
| Extension rod | 953552 | 1.4-6.5" / 35-160mm | 4.92" / 125mm | .47" / 12mm | |
| Extension rod | 953553 | 1.4-6.5" / 35-160mm | 9.84" / 250mm | .47" / 12mm | |
| Extension rod | 953554 | 1.4-6.5" / 35-160mm | 19.69" / 500mm | .47" / 12mm | |
| Extension rod | 953555 | 1.4-6.5" / 35-160mm | 29.53" / 750mm | .47" / 12mm | |
| Extension rod | 953556 | 1.4-6.5" / 35-160mm | 39.37" / 1000mm | .47" / 12mm | |
| Spanner | 212556 | 1.4-16" / 35-400mm | Spanner for compatible Series 511 bore gage ranges | ||
| Extension rod | 953557 | 6.5-16" / 160-400mm | 4.92" / 125mm | .59" / 15mm | |
| Extension rod | 952361 | 6.5-16" / 160-400mm | 9.84" / 250mm | .59" / 15mm | |
| Extension rod | 953558 | 6.5-16" / 160-400mm | 19.69" / 500mm | .59" / 15mm | |
| Extension rod | 953559 | 6.5-16" / 160-400mm | 29.53" / 750mm | .59" / 15mm | |
| Extension rod | 953560 | 6.5-16" / 160-400mm | 39.37" / 1000mm | .59" / 15mm |
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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