375mm Setting Gauge for Micrometre With Thermal Shielding, Ball Measuring Faces ±0.004mm - Metav IndustryLine

Take advantage of high-precision performance and thermal stabilisation to keep calibration routines fast and reproducible; the combination of a 375 mm nominal length and ±0.004 mm accuracy ensures stable setting for larger micrometre ranges. Order the setting standard directly via Metav Werkzeuge or consult our experts if further specifications are required.

Micrometre Setting Standard M304.320.3 – 375 mm, accuracy ±0.004 mm (D 16 mm) by Metav IndustryLine

The Micrometre Setting Standard M304.320.3 is a purpose-made reference gauge for setting and checking outside micrometres in workshop and laboratory environments.

• 375 mm nominal length for extended reach
• Accuracy ±0.004 mm for fine calibration
• Spherical measuring faces for repeatability
• Thermal protection for stable measurements

Precision that reduces rework and inspection time

The setting standard provides a clear metrological advantage through its ±0.004 mm declared accuracy, offering a reliable reference when adjusting outside micrometres or verifying measuring equipment. Using a dedicated reference gauge rather than informal standards reduces measurement uncertainty and accelerates setup procedures. The high-resolution specification supports targeted quality-control steps and contributes to a measurable reduction in downstream rework, as alignment and zeroing are achieved consistently and more rapidly.

Stable readings despite thermal influences

Integrated thermal protection keeps the effective measuring length stable during typical workshop conditions, mitigating drift caused by hand contact or ambient temperature shifts. The gauge’s spherical measuring faces ensure defined contact geometry, which improves repeatability when transferring a reference dimension to a micrometre spindle. These design choices combine to deliver usable readings sooner in a workflow, reducing pause time between measurements and enabling more predictable inspection throughput.

Built for medium-range applications and easy handling

With a nominal length of 375 mm, this reference falls into the medium range used for larger assemblies and fixture components, providing a balance between reach and rigidity. The tool’s nominal diameter 16 mm contact and compact mass support straightforward manipulation on the shop floor while maintaining profile stiffness for consistent results. As a dedicated accessory for micrometre adjustment, the gauge integrates naturally into machine-shop and metrology benches where reproducible external-diameter references are required.

Practical benefits for quality workflows

The setting standard functions as an efficient step in incoming inspection, setup and routine checks. By standardising the zero-setting process for external micrometres, it helps maintain traceable measurement chains and simplifies operator tasks. The accessory nature of the gauge makes it suitable for use alongside bench micrometres or portable instruments, offering a pragmatic way to raise everyday measurement confidence without complex procedures.

For assured calibration stability, request the Metav IndustryLine Micrometre Setting Standard M304.320.3 via Metav Werkzeuge — Metav’s specialists in Emmerich can advise on fitment and delivery; contact info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: M304.320.3
• GTIN: 4054469116723
• Tariff number: 90173000

Facts

• Nominal length: 375 mm
• Accuracy: ±0.004 mm (±4 µm)
• Weight: 0.6 kg
• Nominal diameter: 16 mm

Special features

• Thermal protection
• Spherical measuring faces
• Accessory for setting outside micrometres
• Category: Measuring instruments – accessories
• eClass: 21170102

FAQ

What is this gauge used for?
The Micrometre Setting Standard M304.320.3 is intended as a reference for setting and checking outside micrometres and for routine dimensional checks in workshop and laboratory contexts.

Does the setting standard include a calibration certificate?
This listing does not declare a specific calibration certificate; for traceable calibration options and certificates, contact Metav Werkzeuge to arrange the appropriate documentation for the M304.320.3.

Which micrometre ranges is it compatible with?
The reference dimension and contact geometry make the M304.320.3 suitable for use with standard external micrometres across the corresponding measurement range; compatibility details can be confirmed with Metav Werkzeuge for specific instrument models.

How does the thermal protection help in practice?
Thermal protection reduces measurement drift caused by hand heat or ambient changes, so the M304.320.3 delivers more stable reference lengths during successive setting operations.

Are the measuring faces hardened or specially finished?
The gauge features spherical measuring faces designed for defined contact and repeatability; for detailed surface treatment or material specifications, please request technical datasheets from Metav Werkzeuge.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com