Mitutoyo 122-141 Blade Micrometer, Carbide-Tipped Blade 0-25mm, 0.4mm Blade
Part No. 122-141 | Range 0–25 mm | Graduation 0.01 mm | Accuracy ±3 µm
Product Overview
The Mitutoyo 122-141 Series 122 blade micrometer is designed for measuring groove diameters, keyways, snap-ring grooves, spline roots and other recessed features that conventional micrometers may not easily reach. It provides a 0–25 mm measuring range, 0.01 mm graduation and ±3 µm accuracy for metric dimensional inspection.
This model uses a Type D 0.4 mm carbide-tipped blade. The thin measuring blade provides access to narrow grooves, while the carbide tip offers wear resistance for applications involving frequent measurement or harder and abrasive materials.
The non-rotating spindle keeps the blade aligned with the groove as the micrometer closes, helping maintain consistent contact with the measuring feature. A ratchet stop provides a controlled 3–8 N measuring force to support repeatable readings between measurements and operators.
The satin chrome thimble and sleeve provide a clear analog metric scale with 0.01 mm graduation. Because the measuring range starts at zero, no separate setting bar is required; the zero position can be checked by gently closing the blades.
For a larger measuring range, consider the Mitutoyo 122-142 blade micrometer covering 25–50 mm.
Key Benefits
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0–25 mm measuring range for groove and keyway inspection.
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Type D 0.4 mm carbide-tipped blade for narrow recessed features.
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±3 µm accuracy with 0.01 mm graduation.
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Carbide-tipped measuring surfaces provide increased wear resistance for demanding applications.
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Non-rotating spindle helps keep the blade aligned inside grooves and keyways.
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Ratchet stop provides a controlled 3–8 N measuring force.
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Satin chrome thimble and sleeve provide a clear analog metric scale.
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Zero can be checked directly because the range starts at 0 mm.
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Supplied in a fitted protective case.
For pricing and delivery availability of the Mitutoyo 122-141, call +966 53 132 1586.
Who This Product Is Best For
The Mitutoyo 122-141 is suitable for CNC machining shops, precision manufacturing, pump and valve repair, automotive component production and industrial maintenance teams measuring grooves and keyways within the 0–25 mm range.
It is also suitable for quality inspectors checking first-off components, machinists verifying dimensions between machining operations and maintenance engineers inspecting shafts and other turned parts.
The thin 0.4 mm carbide-tipped blade makes this model particularly relevant where narrow groove access and blade wear resistance are important considerations.
How to Use
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Clean the blade measuring faces and inspect them before measurement.
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Close the blades gently using the ratchet stop and confirm the zero reading.
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Open the micrometer slightly wider than the feature being measured.
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Position the blade and spindle squarely inside the groove or keyway.
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Turn the ratchet stop until the measuring contact is established.
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Read the sleeve and thimble scale at 0.01 mm graduation.
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Record the measurement while the micrometer remains correctly positioned on the feature.
Frequently Asked Questions
What is the Mitutoyo 122-141 blade micrometer used for?
It is designed for measuring groove diameters, keyways, snap-ring grooves, spline roots and other narrow recessed features within its 0–25 mm range.
How accurate is the Mitutoyo 122-141?
The 122-141 has a stated accuracy of ±3 µm and a graduation of 0.01 mm. Its measuring-face parallelism is 3 µm.
Why does a blade micrometer use a non-rotating spindle?
The non-rotating spindle helps keep the blade aligned with the groove as the micrometer closes, supporting consistent contact with the measuring surfaces.
Which 0–25 mm Series 122 blade micrometer should I choose?
The 122-141 uses a thin 0.4 mm carbide-tipped blade. Other 0–25 mm Series 122 models include the 122-161 with a 0.75 mm carbide-tipped blade, the 122-111 with a 0.4 mm hardened steel blade and the 122-101 with a 0.75 mm hardened steel blade. The appropriate model depends on groove width, blade thickness requirements and the application.
Is a setting standard included?
No separate standard bar is required for the 122-141 because its measuring range starts at 0 mm. The zero position can be checked by closing the blades. The micrometer is supplied in a fitted case.
How do I buy the Mitutoyo 122-141 in Saudi Arabia?
Contact General Tech Services in Dammam at +966 53 132 1586 or email mathews@generaltechsaudi.com for pricing and delivery availability.
