5 mm Gauge Ball Pair Chromed Steel Hardened 0.003 mm Accuracy 0.00008 mm Diameter Tolerance - Metav IndustryLine

Take advantage of a compact, highly stable reference pair that combines 5 mm hardened chrome‑steel construction with 0.003 mm positional accuracy for dependable gauging and fixture checks; the set of two enables comparative measurements and easy integration into inspection routines — order directly via Metav Werkzeuge or consult our specialists for fast delivery and technical advice.

Gauge ball pair M318.415 — 5 mm hardened chrome‑steel, 0.003 mm accuracy (Metav IndustryLine)

The Gauge ball pair M318.415 is a precision reference for gauging, fixturing and calibration tasks in inspection environments and tooling setups.

• 5 mm hardened chrome‑steel balls
• 0.003 mm positional accuracy
• Set of two for comparative checks
• Hardness > HRC 62

Consistent reference for repeatable inspection results

A compact reference that gives reliable, repeatable results in routine checks and precision setups: the 5 mm spheres are manufactured from hardened chrome‑steel to ensure dimensional stability and wear resistance under repeated contact. The declared accuracy of 0.003 mm provides a proven baseline for go/no‑go gauging, probe verification and small‑part alignment, reducing uncertainty in everyday quality control and helping to avoid costly rework. The twin configuration supports direct comparative measurement or simultaneous placement in fixtures.

Minimal surface variation that lowers measurement uncertainty

The exceptionally low surface roughness and tight diameter tolerance minimise artefacts during tactile and optical inspections. With a surface figure indicated as 0.00001 and a diameter tolerance of 0.00008 mm, the spheres behave as true geometric references, preventing local surface effects from skewing probe results. This entails fewer corrective cycles for coordinate measuring machines and manual comparators, which in turn speeds up inspection throughput and improves first‑pass yield.

Small form factor, big integration potential

At just 5 mm diameter and delivered as a set of two, the pair is easy to incorporate into fixtures, gauging blocks or as probe tips for verification routines. The small mass and hardened construction mean they maintain form under contact pressure while fitting into compact jigs and tight assemblies. Their compatibility with standard gauge work makes them suitable for toolmakers, fixture builders and metrology labs seeking a compact, robust datum without complex handling requirements.

Practical benefits for production and quality assurance

Using precision reference spheres shortens setup time for gauges and measuring devices by providing a stable, repeatable datum. The combination of hardness above HRC 62 and a finely controlled diameter helps to protect mating components from premature wear, preserving tool life and measurement integrity. In process control, these spheres support faster decision‑making by supplying a dependable geometric reference that integrates seamlessly with inspection sequences and measurement routines.

For traceable reference work, request the M318.415 gauge ball pair from Metav Werkzeuge and let our Emmerich‑based team advise on integration into your inspection workflow and delivery options

Technical data

• SKU: M318.415
• GTIN: 4054469184036
• Material: hardened chrome steel
• Set: 2 pieces
• Weight (per set): 0.05 kg

Core technical data

• Diameter: 5 mm
• Positional accuracy: 0.003 mm
• Diameter tolerance: 0.00008 mm
• Surface roughness: 0.00001
• Hardness: > HRC 62

Materials / Special features

• Application: gauges, inspection and fixturing
• Category: gauges / inspection tools
• Delivered as a matched pair for comparative measurement
• Compact form factor for tight fixtures

FAQ

What is the intended use of these gauge balls?
The gauge ball pair M318.415 is intended as a precision geometric reference for gauging, fixture alignment and probe verification in inspection and tooling applications.

How accurate are the spheres for calibration tasks?
The spheres provide a positional accuracy of 0.003 mm, making them suitable for high‑precision checks and repeatable reference measurements in quality control processes.

Are the balls suitable for use with CMM probes and tactile sensors?
Yes, the hardened chrome‑steel construction and low surface variation make the pair compatible with tactile probes and many optical inspection setups.

Does the set include two matched spheres?
The item is supplied as a matched set of two pieces, enabling direct comparative measurements or dual‑point fixture references.

What benefits does the high hardness provide?
Hardness above HRC 62 improves wear resistance under repeated contact, helping to maintain dimensional integrity and extend the useful life of the reference spheres.

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