200 mm Extension Ø28 mm Rod Internal Gauge Extension, - Metav IndustryLine

Extend measuring reach with the 200 mm, Ø 28 mm extension that maintains alignment and repeatability for rod inside micrometer sets; the accessory provides straightforward compatibility with common inside micrometer kits and adds stable reach for deep bores. Order the extension directly via Metav Werkzeuge or ask our consultants if needed.

M310.066.5 — 200 mm extension bar Ø 28 mm for rod inside micrometer sets (Metav IndustryLine)

The M310.066.5 extension bar increases measuring range for rod inside micrometer sets, enabling reliable internal measurements in deeper bores and cavities while preserving alignment and instrument stability.

• 200 mm extension length
• Ø 28 mm shaft diameter
• Compatible with 310.065 / 310.066 / 310.067
• Accessory for rod inside micrometer sets

Increase reach without compromising repeatability

The 200 mm extension expands the measurable depth of rod-style inside micrometers, allowing access to recessed bores and larger assemblies without replacing the base instrument. By matching the instrument interface and maintaining a consistent shaft diameter of Ø 28 mm, the extension minimises play and helps retain the same measuring geometry that the base set provides. This preservation of alignment translates into fewer setup adjustments and a more efficient inspection flow when multiple measurements are required on a single component or across a production batch.

Seamless integration for dependable measurements

Designed as an accessory for established inside micrometer kits, the extension ensures compatibility with the indicated models and fits into existing workflows. The added mass and dimensions contribute to measurement stability across the extended range, reducing sensitivity to minor hand movement and easing repeatable positioning. As a consequence, process throughput benefits: fewer tool changes, reduced downtime and a more straightforward calibration routine when the extension is used in conjunction with the original measuring set. The product reference is supplied as M310.066.5 to simplify ordering and document traceability.

Reliable supply and a sensible upgrade path

This extension bar fits naturally into a measured metrology strategy where reach must be increased without extensive investment in new instruments. As part of the Metav IndustryLine, the accessory complements standard inside micrometers and helps harmonise a workshop’s toolset: one base instrument, multiple extension options. Metav’s approach to distribution ensures access to a wide product range, transparent logistics and a European quality filter that supports predictable deliveries and consistent product performance. If further specification details are required, technical advisors can provide guidance on integration and measurement planning.

Contact Metav Werkzeuge today for availability details and to specify the correct extension for an existing inside micrometer set; delivery and expert advice are available from Emmerich.

Technical data

• Article number: M310.066.5
• GTIN: 4054469160986
• Weight: 6 kg
• Customs tariff number: 90173000

Dimensions & core data

• Length: 200 mm
• Diameter: 28 mm
• Mass: 6 kg

Features & compatibility

• Compatible with models 310.065, 310.066, 310.067
• Accessory for rod inside micrometer sets
• Category: Accessory (Zubehör)
• Extension designation: 200xØ28

FAQ

Which instruments is this extension compatible with? The extension M310.066.5 is compatible with the listed inside micrometer models 310.065, 310.066 and 310.067 and is intended as an accessory for rod-style inside micrometer sets supplied under the Metav IndustryLine brand.

How does the extension affect measurement repeatability? Used together with a matching inside micrometer set, the 200 mm extension and Ø 28 mm shaft preserve the measuring geometry and contribute to stable repeatability by reducing lateral play and easing consistent positioning.

Is the extension suitable for deep bore measurements? Yes, the extension increases usable reach for internal measurements and is designed to access deeper bores and recessed features when combined with the appropriate rod inside micrometer set.

What information is included on delivery documentation? Delivery includes the article reference M310.066.5 and the GTIN 4054469160986 to support traceability and stock management within inspection and procurement records.

Can the extension be used with calibration records of the base instrument? The extension should be recorded in measurement procedures where it changes the effective gauge length; compatibility with the instrument’s calibration status should be confirmed within the quality documentation for the inside micrometer set.

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