Original price was: $ 269.10.$ 231.38Current price is: $ 231.38.
Mitutoyo 103-144-10 Outside Micrometer Economy Design – reliable analog micrometer with ratchet stop, carbide-tipped faces, 175–200 mm range, and ±4 µm accuracy.
The Mitutoyo 103-144-10 Outside Micrometer Economy Design is a cost-effective, precision tool designed for reliable external measurements. Built with carbide-tipped measuring faces and a micro-lap finish, it ensures durability and long-term accuracy. With a measurement range of 175–200 mm, this analog micrometer features a ratchet stop for consistent measuring force and repeatable results. Its satin chrome-finished thimble and sleeve provide smooth operation, while the included setting standard and protective case enhance convenience.
This Mitutoyo micrometer offers a graduation of 0.01 mm, a maximum permissible error of ±4 µm, and excellent flatness (0.6 µm) and parallelism (4 µm) for dependable precision. Its carbide-tipped measuring faces resist wear, while the spindle lock and ratchet mechanism ensure stability and repeatability. Weighing 920 g and equipped with a robust frame, it is designed for durability in workshop and inspection environments. Delivered with a storage box and setting standard, it is a complete solution for high-quality measurement tasks.
The 103-144-10 stands out as a reliable and affordable precision instrument, making it ideal for users who need accuracy without the complexity of digital tools. Its analog scale with satin chrome finish ensures clear readings, while the carbide-tipped spindle guarantees long-term use even under heavy workloads. This micrometer is trusted by professionals who want dependable performance, minimal maintenance, and unmatched value.
The Mitutoyo 103-144-10 solves the challenge of achieving precise and repeatable external measurements in machining, quality control, and workshop applications. Unlike calipers or less accurate tools, it delivers micrometer-level resolution with ±4 µm accuracy, ensuring reliable dimensional checks. By combining durability, repeatability, and ease of use, it eliminates common errors caused by inconsistent measuring force, offering peace of mind for technicians and engineers who rely on precision.
After final turning of large motor shafts, inspectors verify outside diameter across three clocked positions to catch taper or out-of-round. The ratchet stop delivers consistent 5–10 N measuring force, while carbide‑tipped, micro‑lapped faces minimize surface marring. With 0.01 mm graduation and tight permissible error, machinists confidently confirm that the shaft will assemble with the intended fit class before parts move to balancing or keyway operations.
Fabrication teams measure steel tubes destined for bearing or bushing press‑fits. Using the 175–200 mm range, they take readings at both ends and mid‑span to detect ovality from transport or cutting. The satin‑chrome analog scale ensures clear reading under shop lighting, and the spindle lock lets inspectors record values without losing position. Consistent micrometer checks prevent scrap from undersize or oversize stock entering assembly.
Maintenance crews check conveyor and paper‑handling rollers for wear. By measuring OD at multiple axial points, they identify uneven abrasion that causes belt tracking issues or vibration. The micrometer’s carbide faces resist embedded grit, and its robust frame handles workshop conditions. Repeatable force from the ratchet helps trend gradual diameter loss over service intervals, informing when to recoat, grind, or replace rollers before unplanned downtime occurs.
Quality engineers use this analog micrometer in audit stations to validate critical OD features on large housings and sleeves. Its predictable feel and friction‑limited ratchet make it ideal for operator training and Gage R&R, reducing technique‑induced variation. Parallelism and flatness specs support reliable contact on ground surfaces, while the included setting standard assists quick checks of tool integrity between shifts, maintaining confidence in acceptance decisions.
| Feature | Details | Benefit |
|---|---|---|
| Model Number | Mitutoyo 103-144-10 – Outside Micrometer Economy Design | Clear product identification for procurement and cataloging. |
| Measurement Range | 175 – 200 mm | Covers larger workpieces with precision measurement capability. |
| Graduation | 0.01 mm | Provides fine resolution for accurate dimensional checks. |
| Maximum Permissible Error (J MPE) | ±4 µm | Ensures high accuracy suitable for inspection and quality control. |
| Flatness | 0.6 µm | Guarantees precision on contact faces for consistent results. |
| Parallelism | 4 µm | Maintains measurement reliability across full range. |
| Measuring Faces | Carbide-tipped, micro-lapped finish | Durable, wear-resistant, and ensures long service life. |
| Spindle | ø6.35 mm (≤300 mm) / ø8 mm (>300 mm), pitch 0.5 mm, with spindle lock | Provides smooth, controlled movement and secure positioning. |
| Ratchet Stop | Yes | Applies constant measuring force (5–10 N) for repeatable readings. |
| Scale Finish | Satin chrome, thimble and sleeve, ø18 mm | Easy-to-read graduations, resistant to glare and wear. |
| Mass | 920 g | Stable handling while still portable for workshop use. |
| Dimensions | Length: 208.8 mm, Anvil: 6.3 mm, Frame Height: 115 mm, Thimble: 19 mm | Ergonomic size designed for operator comfort and stability. |
| Delivered Accessories | Protective case, adjustment key, setting standard | Ready-to-use kit with calibration support. |
| Optional Accessories | Micrometer stand (Art. No. 156-102), Additional setting standards | Expands usability and ensures calibration flexibility. |
| Construction Quality | Robust frame with precision-ground surfaces | Designed for longevity in demanding workshop or inspection environments. |
| Operating Environment | Consistent accuracy under workshop conditions | Reliable even in varying temperature and handling conditions. |
| L: |
208.8 mm
|
| a: |
6.3 mm
|
| b: |
19 mm
|
| c: |
115 mm
|
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Outside Micrometer Economy Design |
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Outside Micrometer Economy Design |
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Outside Micrometer Economy Design |
| 150-175mm |
175-200mm |
200-225mm | |||
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Mitutoyo Part Number: 103-143-10 |
Mitutoyo Part Number: 103-144-10 |
Mitutoyo Part Number: 103-145-10 | |||
| More Info | More Info | ||||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
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Outside Micrometer Economy Design |
| 25-50mm | 0-25mm, 0,001mm | 50-75mm | |||
| Mitutoyo Part Number: 103-138 | Mitutoyo Part Number: 103-129 | Mitutoyo Part Number: 103-139-10 | |||
| More Info | More Info | More Info | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 25-50mm, 0,001mm | 325-350mm | 675-700mm | |||
| Mitutoyo Part Number: 103-130 | Mitutoyo Part Number: 103-150 | Mitutoyo Part Number: 103-164 | |||
| More Info | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 0-25mm | 350-375mm | 700-725mm | |||
| Mitutoyo Part Number: 103-137 | Mitutoyo Part Number: 103-151 | Mitutoyo Part Number: 103-165 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 400-425mm | 375-400mm | 725-750mm | |||
| Mitutoyo Part Number: 103-153 | Mitutoyo Part Number: 103-152 | Mitutoyo Part Number: 103-166 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 75-100mm | 425-450mm | 750-775mm | |||
| Mitutoyo Part Number: 103-140-10 | Mitutoyo Part Number: 103-154 | Mitutoyo Part Number: 103-167 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 100-125mm | 450-475mm | 775-800mm | |||
| Mitutoyo Part Number: 103-141-10 | Mitutoyo Part Number: 103-155 | Mitutoyo Part Number: 103-168 | |||
| For more : Contact us | For more : Contact us | ||||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 125-150mm | 475-500mm | 800-825mm | |||
| Mitutoyo Part Number: 103-142-10 | Mitutoyo Part Number: 103-156 | Mitutoyo Part Number: 103-169 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 150-175mm | 500-525mm | 825-850mm | |||
| Mitutoyo Part Number: 103-143-10 | Mitutoyo Part Number: 103-157 | Mitutoyo Part Number: 103-170 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 175-200mm | 525-550mm | 850-875mm | |||
| Mitutoyo Part Number: 103-144-10 | Mitutoyo Part Number: 103-158 | Mitutoyo Part Number: 103-171 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 200-225mm | 550-575mm | 875-900mm | |||
| Mitutoyo Part Number: 103-145-10 | Mitutoyo Part Number: 103-159 | Mitutoyo Part Number: 103-172 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 225-250mm | 575-600mm | 900-925mm | |||
| Mitutoyo Part Number: 103-146-10 | Mitutoyo Part Number: 103-160 | Mitutoyo Part Number: 103-173 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 250-275mm | 600-625mm | 925-950mm | |||
| Mitutoyo Part Number: 103-147-10 | Mitutoyo Part Number: 103-161 | Mitutoyo Part Number: 103-174 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 275-300mm | 625-650mm | 950-975mm | |||
| Mitutoyo Part Number: 103-148-10 | Mitutoyo Part Number: 103-162 | Mitutoyo Part Number: 103-175 | |||
| For more : Contact us | For more : Contact us | For more : Contact us | |||
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Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |  |
Outside Micrometer Economy Design |
| 300-325mm | 650-675mm | 975-1000mm | |||
| Mitutoyo Part Number: 103-149 | Mitutoyo Part Number: 103-163 | Mitutoyo Part Number: 103-176 | |||
| For more : Contact us | For more : Contact us | For more : Contact us |
Optional accessories:
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Micrometer Stand |
| for Micrometer 100-300mm/5-12″ | |
| Mitutoyo Part Number: 156-102 | |
| For more : Contact us | |
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Micrometer Setting Standard |
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Length: 150mm |
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| Mitutoyo Part Number: 167-106 | |
| For more : Contact us |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
Global Shipping – We ship worldwide with secure packaging and reliable delivery.
Technical Support – Contact us for professional after-sales technical assistance.
