5.57mm Test Pin ±0.001mm Length 50mm Workshop Version - Metav IndustryLine

Combine sub-micron repeatability, workshop-grade robustness and a compact 5.57 mm diameter for reliable end-measurements; order the test pin directly via Metav Werkzeuge or speak with our consultants for specification advice.

Test pin M323.557 – single gauge pin 5.57 mm, ±0.001 mm (Metav IndustryLine)

The Test pin M323.557 is a workshop-grade single gauge pin designed for precise end-measurements and go/no-go checks in precision assembly, quality control and small-part inspection.

• ±0.001 mm measurement tolerance
• Nominal diameter 5.57 mm
• 50 mm length in special steel
• Workshop version supplied with transport case

Precision that reduces rework and speeds inspection cycles

A compact gauge pin with a ±0.001 mm tolerance delivers measurable advantages on the shop floor: fewer false rejects, faster pass/fail decisions and predictable fit checks during assembly. Made from special steel, the pin keeps dimensional stability under frequent use and supports repeatable seating in gauges and fixtures. The short 50 mm length helps to minimise bending and handling error, which is especially valuable for rapid sampling in production runs.

Micro-class size for fine-mechanical applications

With a nominal diameter of 5.57 mm, the component sits in the micro measurement class (maximum range up to 100 mm), offering the stiffness and handling benefits required for watchmaking, small housings and precision connectors. The compact geometry provides good access to confined bores while remaining easy to seat and remove. The single-piece design simplifies traceability and reduces the number of moving parts in inspection routines.

Practical workshop design for everyday reliability

The workshop version construction focuses on serviceability and robustness rather than laboratory fragility. Surface finish and material selection ensure stable contact conditions during repeated insertions. Supplied in a protective transport case, the pin is protected during storage and transit, which helps maintain accuracy and extends service life. The lightweight 0.012 kg mass also makes the pin convenient for handheld inspection tasks.

Integration into measurement workflows and benefits

Use the pin for end-stop measurements, go/no-go fitting checks and fixture set-up where a deterministic reference diameter is required. The precise tolerance reduces uncertainty in pass/fail thresholds and supports higher throughput in inspection processes by cutting decision time. As a single, traceable gauge element, it is suitable for both spot checks and routine quality control, offering a straightforward route to improved process stability.

For procurement or technical clarification regarding the M323.557 test pin, contact Metav Werkzeuge in Emmerich to arrange supply or a detailed specification discussion

Technical data

• Article number: M323.557
• GTIN: 4061905060755
• Label: Prüfstift, einzeln, 5,57mm, +/- 0.001 mm Länge 50 mm
• Manufacturer brand: Metav IndustryLine

Facts

• Nominal diameter: 5.57 mm
• Length: 50 mm
• Tolerance / accuracy: ±0.001 mm
• Weight: 0.012 kg

Special features

• Material: special steel
• Version: workshop execution
• Delivery: protective transport case included
• Typical use: end measurements, fitting checks

FAQ

What inspection tasks is this gauge pin suited to?
The M323.557 test pin is intended for end-measurements, go/no-go fitting checks and fixture set-up where a 5.57 mm reference diameter with ±0.001 mm tolerance is required.

Is the pin suitable for repeated shop-floor use?
Yes, the workshop execution and special steel construction make the M323.557 robust enough for frequent insertions and routine quality-control sampling.

How does the nominal diameter affect application choice?
At 5.57 mm the pin falls into the micro-class range for fine-mechanical work; it is therefore appropriate for small bores, connectors and precision components where access and stiffness matter.

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