Mitutoyo 513-404-10A: Dial Test Indicator

The Mitutoyo 513-404-10A is a precision lever-type dial test indicator with a 0.8 mm measuring range and 0.01 mm graduation, designed for tight-access measurements where a standard plunger indicator cannot reach. With its compact profile and horizontal lever arm, this is the go-to instrument for checking runout on small shafts, alignment of spindle bores, flatness of ground surfaces, and concentricity of turned features across machine shops and quality labs in the UAE.

Built with Mitutoyo's enhanced durability movement and a glare-free flat crystal face, the 513-404-10A delivers smooth, repeatable readings in both directions. The O-ring sealed bezel keeps out coolant, oil, and swarf, while the multi-layer coated crystal resists scratches from shop-floor handling. The stylus length is marked on the dial face for easy reordering when replacement is needed.

✦ Key Features

Lever-Type Design — Horizontal contact point reaches into tight spaces that plunger indicators cannot access — ideal for bore alignment, groove checking, and small-diameter shaft runout.

0.8 mm Range with 0.01 mm Graduation — Plus-set configuration reads in both directions from zero, perfect for checking deviation from a datum.

Enhanced Durability Movement — Redesigned gear train with improved shock resistance for reliable performance in production environments.

Glare-Free Flat Crystal — Multi-layer coated crystal eliminates glare under shop-floor lighting for easy, accurate reading at any angle.

O-Ring Sealed Bezel — Prevents dust, oil, and coolant from entering the movement. Bezel rotates smoothly for zero setting.

Universal Mounting — 8 mm stem fits standard magnetic stands and holder arms. Dovetail mounting option for dedicated fixture use.

📐 Technical Specifications

🏭 Applications

Spindle & Bore Alignment — Check spindle bore runout, taper alignment, and collet concentricity on lathes and milling machines where a plunger indicator won't fit.

Surface Grinding — Verify wheel dress flatness, workpiece parallelism, and magnetic chuck surface deviation before grinding.

Small Shaft Runout — Measure total indicated runout (TIR) on shafts, pins, and arbors down to small diameters where the lever's light measuring force prevents deflection.

Fixture & Jig Setup — Align fixtures and jigs to machine axes by sweeping reference surfaces with the lever probe.

Tool Presetting — Check cutting tool position and height in tool holders before loading into the machine.

Why Buy from San Tools?

✅ Authorised Mitutoyo Distributor — Genuine product with full manufacturer warranty.

✅ In Stock in Dubai — Ships same-day from our Al Quoz warehouse.

✅ Matching Stands Available — Pair with the Mitutoyo 7010S-10 magnetic stand for a complete setup.

✅ Free UAE Delivery — On orders over AED 500.

✅ Expert Support — 38 years helping machinists choose the right indicator for their application.

Frequently Asked Questions

What is the difference between a dial test indicator and a dial indicator?
A dial test indicator (like the 513-404-10A) uses a lever arm to sense movement — ideal for tight spaces and small runout checks. A dial indicator (like the 2046A) uses a plunger for longer-range measurements. Both read to 0.01 mm but serve different applications.

Can I replace the stylus?
Yes. The stylus length is marked on the dial face for easy reordering. Replacement styli with different lengths and tip styles are available as Mitutoyo accessories.

Does this indicator work on a magnetic stand?
Yes. The 8 mm stem fits directly into standard magnetic stands including the Mitutoyo 7010S-10. You can also use the dovetail mounting for dedicated fixture installations.

What does "plus set" mean?
Plus set means the indicator reads deviation in both directions from a zero datum — the pointer moves both clockwise and counter-clockwise from the set point, showing positive and negative deviation.