Mitutoyo 513-403 Dial Test Indicator: Precision for Tight Setups
The Mitutoyo 513-403 is a compact, high-precision dial test indicator built for accurate measurements in limited-access machining setups.
This model features a horizontal lever-style design and a compact body ideal for tight spaces—making it especially useful for tramming small mills or inspecting close tolerance parts on lathes and surface plates. Known for its smooth movement and durability, it’s a reliable tool in any precision toolroom or hobby machine shop.
🔍 Key Features
- Range: 0.03″ (0-15-0 dial layout)
- Graduation: 0.0005″ resolution
- Design: Horizontal lever arm with jeweled bearings for long life
- Application: Ideal for setups with limited clearance
- Build Quality: Made in Japan by Mitutoyo — trusted worldwide
✅ Why Choose the 513-403
- Compact size allows for tight spot inspections and low-profile mounting
- Consistently praised for its smooth dial action and reliability
- Pairs well with magnetic base holders and fine adjust arms
- Perfect for routine use in both professional and home machine shops
⚠️ Considerations
- This model is imperial (inch-based)
- Mounting hardware or base typically sold separately
- Best stored in its case to protect jeweled internal mechanism
🛠️ Common Applications
- Tramming mini-mill or benchtop mill heads
- Checking lathe spindle runout or tailstock alignment
- Quick tolerance checks during production runs
If you’re working in tight spaces and need precision readings, the Mitutoyo 513-403 offers the same great performance as the 513-402 in a more compact package.
