


Mitutoyo 515-721 | Check Master | Series 515 | Metric | Range 0 to 450 mm | Mass 10 kg
The Mitutoyo 515-721 Check Master, part of the Series 515, is a high-precision measuring instrument designed for verifying the dimensional accuracy of machine tools and coordinate measuring machines (CMMs). It offers a metric measuring range of 0 to 450 mm, making it suitable for various industrial applications. The device consists of a stack of permanently wrung gauge blocks with a 10 mm step, housed in a rigid frame for enhanced stability during measurements. Weighing 10 kg, it provides the necessary weight to minimize movement and ensure accuracy. Delivered in a fitted wooden case, it also includes a factory inspection certificate, guaranteeing its reliability and immediate usability. This tool is essential for professionals requiring precise and repeatable measurements in their operations.

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- Specifications
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Accuracy | Block pitch: ¢°¤ 310 mm: +/-2.5 µm |
Hardness | > 64 HRC |
Height | Block step: 10 mm |
Inch-Metric | Metric |
Model Number | HMC-450 |
Parallelism | Of blocks: ¢°¤ 310 mm: 1.2 µm |
Range | 0 - 450 mm |
Series | 515 |
Type | Check Master |
Weight | 10 kg |
- Precision Measurement: Offers a high-accuracy measuring range of 0 to 450 mm for precise dimensional checks.
- Metric System: Designed for use with the metric system, ensuring compatibility with international standards.
- Stable Design: Features a stack of permanently wrung gauge blocks, housed in a rigid frame for stable and accurate measurements.
- Heavyweight Build: Weighs 10 kg, providing the stability necessary to minimize errors during measurements.
- Durable Construction: Built for reliability in both laboratory and industrial environments, offering long-term durability.
- Complete Package: Delivered with a fitted wooden case and factory inspection certificate, ensuring immediate usability and quality assurance.
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