150 mm Extension for Three-Point Internal Measuring Probe Ø23 mm For 30–40 / 40–50 mm Ranges - Metav IndustryLine

Take advantage of the 150 mm extension to reach deep bores with consistent alignment and fast retrofitting into existing measuring setups; combine extended reach, robust M18 connection and Metav-backed supply for reliable workshop throughput — order via Metav Werkzeuge or consult their specialists for compatibility advice.

Extension for three-point internal micrometer M312.106 — 150 mm length, Ø 23 mm (M18 thread) by Metav IndustryLine

The Extension for three-point internal micrometer M312.106 is an accessory that extends the measuring reach of three-point internal micrometers for deeper bores in inspection and workshop environments.

• 150 mm extended reach for deep bores
• Ø 23 mm adapter with M18 thread
• Compatible with 30–40 and 40–50 mm ranges

Reach deep bores without specialised instruments

The principal advantage of this extension is its extended reach of 150 mm, which permits measurement in deep or recessed bores without resorting to separate long-reach micrometers. Used as an extension element for three-point internal measuring assemblies, it maintains the original measuring head’s geometry while adding the necessary length for larger components. This reduces handling complexity in the workshop and avoids multiple instrument sets, supporting efficient workflows and predictable measuring results.

Secure connection and alignment for repeatable readings

A stable interface is essential for repeatable internal measurements. The extension features an M18 thread and an adapter diameter of Ø 23 mm, providing a firm mechanical coupling that minimises radial play and misalignment. When fitted to a three-point internal measuring instrument, the assembly preserves the reference geometry of the measuring anvils so that readings remain consistent across the increased reach. The accessory’s mass (approx. 1.3 kg) contributes to stability during insertion while remaining manageable for standard workshop handling.

Fast retrofitting and maintenance-friendly design

Designed as a retrofit accessory, the component installs quickly onto existing three-point internal micrometers used for the 30–40 mm and 40–50 mm measuring ranges, cutting downtime during set‑ups. Its simple mechanical interface avoids complex calibration procedures after installation; standard workshop checks are sufficient to confirm concentricity and functional fit. The straightforward design supports routine inspection schedules and keeps maintenance demands low, which is valuable in production or toolroom environments where instrument availability directly affects throughput.

Traceable data and workshop supply confidence

Product traceability and clear classification assist purchasing and inventory control. The extension is listed under the measuring accessories category and carries a GTIN and tariff classification for logistics and customs processing. Supplied through Metav IndustryLine, it benefits from Metav’s European distribution and quality‑filtering at Emmerich, which helps ensure reliable stock levels and consistent product quality for industrial buyers and trade customers.

For tailored technical clarification or to add the Metav IndustryLine extension M312.106 to an order, contact Metav Werkzeuge in Emmerich via info@metav-werkzeuge.com or call +49 2822 7131930 for prompt supply and compatibility guidance.

Technical data

• Article number: M312.106
• GTIN: 4054469119373
• Tariff code: 90173000
• eClass: 21019104
• ETIM: EC002219

Core measurements

• Length: 150 mm
• Diameter: Ø 23 mm
• Weight: 1.3 kg
• Thread: M18
• Suitable measuring ranges: 30–40 mm; 40–50 mm

Special features

• Accessory for three-point internal micrometers
• Category: Measuring instruments / Accessories
• Brand: Metav IndustryLine
• Packaging / transport details: not specified
• Stock keeping unit: M312.106

FAQ

Is this extension compatible with three-point internal micrometers in the 30–50 mm bracket?
Yes. The extension M312.106 is designed to work with three-point internal micrometers intended for the 30–40 mm and 40–50 mm ranges and extends their measuring reach by 150 mm.

Does the extension require a special thread or adapter?
The extension uses an M18 thread and an adapter diameter of Ø 23 mm, which provides a secure mechanical fit to compatible three-point internal measuring heads.

Will the added length affect measurement accuracy?
When correctly installed and aligned, the extension preserves the measuring head geometry; the firm M18 connection and stable mass help maintain repeatable readings with minimal additional error.

Is the product traceable for procurement and customs purposes?
Yes. The extension is listed with GTIN 4054469119373 and tariff code 90173000 to support logistics and procurement processes.

Which SKU identifies this accessory for ordering?
Orderers can reference SKU M312.106 under the Metav IndustryLine range when specifying this extension.

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