Mitutoyo 1003A Compact Dial Indicator

USD 111.19

Compact 4mm range metric dial indicator with 0.01mm resolution, 0-50-0 balanced reading, 8mm stem, M2.5 contact point, and 1.4N maximum measuring force.

SKU Mitutoyo-1003A Category
Top Brands > Mitutoyo > Mitutoyo Dial Indicators

Mitutoyo 1003A Compact Dial Indicator

Model Identifier 1003A
Official Part Number 1003A
GTIN Standard 4946368841090

Technical Overview

Compact 4mm range metric dial indicator with 0.01mm resolution, 0-50-0 balanced reading, 8mm stem, M2.5 contact point, and 1.4N maximum measuring force.

Key Features

  • Compact Series 1 design with a small 36mm bezel diameter, ideal for applications where space is extremely limited.
  • Hardened stainless steel stem and spindle provide superior durability and lifespan.
  • Balanced 0-50-0 dial face reading designed for immediate visual differentiation of deviation values.
  • Incorporates a carbide-tipped contact point with standard metric M2.5 x 0.45 threading.
  • Revolutionary stem-bush design provides secure clamping and a longer clamping range without damage.
  • Robust four-screw frame mounting significantly improves impact resistance.
  • Screwless faceplate frame design offers superior dust and environmental resistance.
  • Standard center lug back cover allows versatile fixture mounting configurations.

Mechanical (No power source required)

Technical Specification Matrix

ParameterValue
Measuring Range4 mm
Resolution / Graduation0.01 mm
Range per Revolution1 mm
Dial Reading0-50-0 (Balanced)
Measuring Force1.4 N or less
Repeatability3 µm
Retrace Error4 µm
Stem Diameter8 mm
Contact Point ThreadM2.5 x 0.45
Contact Point MaterialCarbide tipped
Standards ConformanceISO/JIS
Back TypeLug back
Physical Weight (kg)0.05
Dimensions L x W x H (cm)5.83 x 3.6 x 1.5

Industrial Applications

1. Precision Jig and Fixture Alignment in Confined Machine Enclosures

In CNC machining centers and automated indexing lines, tooling jigs must be aligned parallel to the spindle within sub-millimeter tolerances. The ultra-compact 36mm bezel diameter and total height under 6cm of the 1003A allow integration into tight, restricted machine corners where standard dial indicators would cause structural collisions.

Problem Solved

Avoids physical interference issues inside highly compact machine areas while providing immediate 0-50-0 balanced feedback on misalignment deviations.

CNC machiningfixture alignmentconfined space metrology36mm bezelspindle centering

2. Multi-Probe Runout and Flatness Inspection Stations

During quality control of miniature precision shafts, bearings, and turned parts, multiple points must be monitored simultaneously. Thanks to the narrow profile of the 1003A, quality engineers can cluster several indicators closely together on a single custom fixture, taking multiple concurrent flatness or runout readings.

Problem Solved

Solves the physical limitation of crowding standard-sized dial indicators on small parts, while its light 1.4N measuring force ensures delicate components do not flex during inspection.

runout inspectionmulti-probe checkingflatness verificationlow measuring forcecomparative metrology

3. Stamping Press Shut-Height and Die Position Calibration

Metal stamping dies rely on precise shut-height positioning to prevent over-compression and tool damage. Toolmakers embed the 1003A into calibration blocks to verify press bottom-dead-center repeatability. The heavy-duty 4-screw mounting and high-rigidity mechanical bearing plate ensure the indicator withstands toolroom handling impacts.

Problem Solved

Ensures die stroke consistency without the risk of battery failures typical of digital tools in high-vibration environment setups.

die height calibrationshut height settingtooling adjustmentimpact resistancehardened steel stem
Select your currency