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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With gauge blocks of high order for calibration – lapped surface building blocks with roughness (Ra≤0.02μm) and dimensional accuracy of ±0.0005mm. They are made either from stabilized steel (such as AISI 440C) or ceramic. Blocks serve as the base for traceable measurements in metrology labs where micrometers, calipers, and coordinate measuring machines (CMMs) are calibrated. These sets also contain incremental sizes ranging from 1 mm to 100 mm in addition to special shapes like squares and rectangles corresponding to ISO 3650 and ASME B89.1.9 standards.

Frequently Asked Questions

What size ranges do gauge blocks cover?

They range from 0.5mm to 1000mm in metric/inch systems, with incremental sets for custom lengths via wringing, achieving sub-micron accuracy.

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Customer Reviews

Dallas

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 micrometer set ceramic gauge block inch gauge block calibration 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.