Description
Mitutoyo 12AAC731
Reliable replacement probe for accurate and repeatable surface roughness measurement with Mitutoyo instruments
| Brand | Mitutoyo |
| Model | 12AAC731 |
| Voltage | Not applicable (passive probe) |
| Country of Origin | Japan |
| Weight | 0.02 kg |
| Dimensions | 40 x 20 x 20 mm |
| Warranty | 6 months |
| Certifications | RoHS compliant |
| SKU / MPN | 12AAC731 |
| What’s in the box | Surface roughness probe, protective cap, storage case |
| Product Type | Surface roughness measuring probe |
| Stylus Tip | Diamond stylus, approximately 5 μm radius |
| Measuring Force | Approximately 4 mN |
| Compatibility | Mitutoyo surface roughness measuring instruments |
| Measurement Function | Contact-based surface profile detection |
| Construction | Precision stylus and detector assembly |
Key benefits: Precise contact measurement, durable diamond stylus, easy replacement, consistent inspection results, Mitutoyo quality
Typical applications: Machined surface inspection, quality control, incoming inspection, production-line verification, laboratory metrology
Lifecycle: Active accessory; service life depends on usage, surface condition, and maintenance
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.








Daniel W. –
The VFD works perfectly with our motor setup. Great communication from seller.