An Inspection Mandrel is a precision reference tool used to inspect internal diameters (ID), concentricity, parallelism, and alignment of machined components. Manufactured from stabilized alloy steel and precision ground, our mandrels provide reliable datum for CMMs, height gauges, dial indicators, and optical inspection systems.
Key Features
- Ultra-High Accuracy up to ≤ 0.005 mm TIR
- Stabilized Alloy / Tool Steel construction
- Hardened & Precision Ground surfaces
- Excellent Roundness & Straightness
- Custom Sizes & Tapers available
- Inspection-Room Ready Finish
Applications
- Bore size & roundness inspection
- Concentricity & runout checking
- Alignment verification
- Gear, bearing, bush & sleeve inspection
- CNC component quality control
Technical Specifications (Typical)
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Parameter
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Specification
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Type
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Solid / Stepped / Tapered
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Material
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EN31 / Tool Steel / Alloy Steel
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Hardness
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58–62 HRC (optional)
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Accuracy
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≤ 0.005 mm TIR
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Surface Finish
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Mirror ground
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Customization
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Diameter, length, steps, taper
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Types of Inspection Mandrels
- Solid Inspection Mandrel
- Stepped Inspection Mandrel
- Tapered Inspection Mandrel
- Special Inspection Mandrel (As per drawing)
Advantages
- Reliable reference for precision measurement
- Improves inspection repeatability
- Reduces measurement error
- Suitable for shop floor & metrology labs
- Long-term dimensional stability
Why Asmita Industries?
✔ 34+ years precision manufacturing experience
✔ In-house grinding & inspection facilities
✔ Made-to-drawing & custom solutions
✔ Trusted Indian collet & mandrel manufacturer
✔ Pan-India supply & export support