Mitutoyo 513-402 Dial Test Indicator: A Precision Tool That Delivers
The Mitutoyo 513-402 is one of the most trusted dial test indicators on the market, known for its repeatable accuracy and professional-grade construction.
This lever-style indicator is widely used by machinists, toolmakers, and hobbyists for tasks such as tramming milling machine heads, checking runout on lathes, or aligning vises. It’s part of Mitutoyo’s highly respected 513 series and remains a favorite for both general-purpose and precision setups.
🔍 Key Features
- Range: 0.03″ (0-15-0 dial format)
- Graduation: 0.0005″ resolution for fine measurements
- Style: Horizontal lever type with jeweled bearing for long-term durability
- Included: Supplied with hard case and standard accessories
- Made by: Mitutoyo – a leader in Japanese metrology equipment
✅ Why Machinists Love the 513-402
- Trusted for its long-term repeatability and consistent readings
- Excellent feel and smooth lever movement thanks to jeweled bearings
- Works great with magnetic bases and indicator holders
- Stands up well to daily use in professional shop environments
⚠️ A Few Things to Keep in Mind
- This model is imperial (inch) – choose a metric version if needed
- No fine adjust base included – sold separately
- Careful handling is a must — like any high-precision tool
🛠️ Best Uses
- Tramming a milling machine head
- Checking part concentricity or runout on a lathe
- Surface alignment on jigs and fixtures
If you’re ready to invest in a serious dial test indicator, the Mitutoyo 513-402 is a smart choice that professionals rely on every day.