25 mm Micrometer With Ratchet Thimble, Matt Chrome Plated Thimble, In Case, DIN 863 - Metav IndustryLine

Take advantage of precise, repeatable readings and a robust matt‑chrome thimble for consistent workshop results; benefit from a reliable analogue instrument that combines simple maintenance and DIN conformity. Order the M304.228 directly via Metav Werkzeuge or consult the technical team for specification advice.

M304.228 outside micrometer — analogue, friction ratchet, 0–25 mm

The M304.228 is an analogue outside micrometer designed for precise workshop and inspection measuring tasks, equipped with a friction ratchet and a matt‑chromed measuring thimble for consistent handling and clear reading.

• Analogue outside micrometer 0–25 mm
• Friction ratchet for repeatable measuring force
• Matt‑chromed thimble for clear, durable scale
• Conforms to DIN 863

Consistent measuring force for repeatable results

The combination of an integrated friction ratchet and a fine 0.01 mm reading resolution reduces variability caused by operator pressure and delivers repeatable measurements in routine use. The instrument’s spindle has a 0.5 mm pitch, which defines the mechanical relationship between thumb rotation and axial travel; this ensures predictable movement per turn and aids quick coarse and fine adjustments. For workshops that rely on consistent gauging rather than electronic data logging, this analogue concept provides dependable tactile feedback and simple verification.

Robust design and shop‑floor compatibility

Crafted with a matt‑chromed thimble, the instrument resists glare while maintaining a legible scale under typical workshop lighting. A 6.5 mm spindle diameter contributes to axial stiffness and reduces deflection during contact measurement, supporting stable readings across the full measuring range. Compliance with DIN 863 places the device within recognised mechanical micrometer standards, which simplifies integration into existing inspection procedures and documentation. The analogue construction also minimises service needs compared with electronic systems.

Practical application and operational benefits

Built for everyday mechanical and toolmaking tasks, this outside micrometer suits maintenance, quality control and production measurement where a straightforward, reliable micrometric gauge is required. The friction ratchet's regulated torque prevents over‑closing and protects delicate parts while enabling rapid repetitive checks. The instrument is supplied with a practical cassette for secure storage and transport. For purchasers seeking pragmatic precision without complex electronics, this solution balances usability, durability and workshop compatibility.

Contact Metav Werkzeuge for a tailored quotation or technical specification for the M304.228 outside micrometer, supported by local stock and application advice

Technical data

• Article number: M304.228
• GTIN: 4054469116457
• Category: Micrometer

Facts

• Measuring range: 0–25 mm
• Resolution: 0.01 mm
• Spindle pitch: 0.5 mm
• Spindle diameter: 6.5 mm
• Standard: DIN 863
• Tariff number: 90173000

Materials & features

• Thimble: matt‑chrome plated
• Friction ratchet
• Analogue instrument
• Includes cassette
• ECLASS: 21170328
• ETIM: EC003590

FAQ

What measuring range does this instrument cover?
The M304.228 outside micrometer covers a measuring range of 0–25 mm, suitable for common workshop and inspection tasks.

What resolution and mechanical features ensure repeatable readings?
The micrometer offers a 0.01 mm resolution and a 0.5 mm spindle pitch; the integrated friction ratchet helps apply a consistent measuring force for repeatability.

Is the micrometer supplied with any protective packaging?
Yes, the M304.228 is supplied with a cassette for secure storage and transport, keeping the instrument protected between uses.

Can the friction ratchet be used for delicate parts?
The friction ratchet on this analogue micrometer limits closing torque, making the instrument suitable for sensitive surfaces and repetitive checks without overstressing the part.

Which environments and tasks are suitable for this micrometer?
The instrument is intended for mechanical workshops, toolmaking, maintenance and routine quality control where robust, tactile measuring instruments are preferred.

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