Gauge Block: High-Precision Calibration Standards for Metrology

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Gauge Block: Precision Dimensional Measuring Standards

This page provides an overview of gauge blocks (also known as slip gauges), which are precision measuring instruments used for dimensional calibration and verification. Made from high-quality steel or ceramic, they feature extremely flat and parallel surfaces, offering accuracy within microns. Topics include their design, grading, applications in metrology, and usage in workshops and laboratories.
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Advantages of the product

Ultra-High Precision

Tolerance classes up to IT0 (±0.0005mm) and surface flatness ≤0.0002mm make them ideal for calibrating CMMs, micrometers, and calipers. Essential in metrology labs for traceable measurements.

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Also known as external micrometers, are external measuring micrometers that have a range of 0-25mm per unit and their C frame design allows flexible access through gauge blocks. For shafts, plates, and threads it achieves an accuracy of ±0.004mm and resolution of 0.01mm. Advanced models which have temperature sensors and can adapt to changing conditions are commonly used in automotive assembly and mold making. The design also includes ratchet stops for pressure evaluation that ranges from 5-10N.

Frequently Asked Questions

Do gauge blocks meet international standards?

Yes, they comply with ISO 3650, ASME B89.1.9, and JIS B7506, ensuring compatibility with global calibration protocols in aerospace, automotive, and semiconductors.

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Customer Reviews

Casey

Made from zirconia ceramic, these blocks withstood 20±5°C fluctuations without dimensional shift. Used in cross-border projects, they met ISO 3650 and ASME B89.1.9 standards universally.

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slip gauge outside micrometer 3 point internal micrometer ceramic gauge block carbide gauge block
Compliance with Global Standards

Compliance with Global Standards

Meets ISO 3650, ASME B89.1.9, and JIS B7506 standards, ensuring compatibility with international calibration protocols in aerospace, automotive, and semiconductor industries.
Easy Maintenance

Easy Maintenance

Lapped surfaces require minimal cleaning (alcohol wipes) and storage in temperature-controlled environments, reducing upkeep costs for metrology departments.
Multi-Application Use

Multi-Application Use

Used in labs for tool calibration, on shop floors for machine alignment, and in research for precision spacing in optical setups. Critical for maintaining quality control in ISO 17025-certified facilities.
Cost-Effective Calibration

Cost-Effective Calibration

Reusable and long-lasting, gauge blocks offer a cost-effective alternative to disposable calibration standards, providing reliable accuracy for decades with proper care.