25mm Tube Wall Micrometer With Pin Anvils, 0.01mm Graduation, Ball Measuring Faces, Ratchet, Plastic Case - Metav IndustryLine

Compact, high-resolution micrometer for tube-wall thickness checks with 0–25 mm range and 0.01 mm reading; carbide measuring faces and a ratchet stop deliver reproducible contact force and long service life. Order directly via Metav Werkzeuge or consult our specialists for application advice.

M309.043 Tube‑wall micrometer, 0–25 mm, 0.01 mm resolution (Metav IndustryLine)

The M309.043 is a precision micrometer engineered for reliable measurement of tube and pipe wall thickness in workshop and light industrial environments.

• 0–25 mm range, 0.01 mm reading
• Carbide measuring faces for high wear resistance
• Ratchet stop ensures repeatable measuring force
• Spherical faces suited to ring and tube surfaces

Reproducible measurements for process control

This mechanical micrometer provides a fine 0.01 mm reading and a declared measurement accuracy of ±0.004 mm, enabling consistent results when checking tube wall thicknesses. The integrated ratchet stop controls the contact force so that each measurement is taken with the same applied pressure; this reduces operator‑related variation and supports traceable quality checks in serial inspections. The instrument’s carbide measuring faces combine wear resistance with dimensional stability, which helps keep maintenance intervals long and replacement costs low.

Designed for tubular geometries and workshop handling

Spherical measuring faces (ball‑to‑ball) give a reliable contact geometry for rounded workpieces, making the micrometer particularly suitable for measuring thin tube walls from about 1.8 mm thickness. The matt‑chrome measuring drum and painted frame improve readability and resist workshop wear. The mechanical construction and robust finish prioritise longevity and ease of use in routine environments; the unit is an industrial‑grade tool that performs repeatable thickness checks without relying on electronic components.

Simple operation and service advantages

Operation follows conventional micrometer practice: a spindle with a clear scale and a ratchet mechanism for controlled closure. The analogue design removes dependence on batteries and electronic calibration drift, while the chrome finish aids legibility. For maintenance, the carbide faces reduce the need for frequent regrinding, and the solid frame resists deformation under normal workshop loads. Where documentation or traceability is required, the instrument can be integrated into regular inspection routines to support consistent production tolerances.

For precision tube‑wall inspection, request a technical consultation from Metav Werkzeuge — specialists for Metav IndustryLine measuring tools based in Emmerich who can advise on suitability and delivery options.

Technical data

• Article number: M309.043
• GTIN: 4054469117690
• Category: Messschrauben (micrometers)
• ECLASS: 27200302
• ETIM: EC003590
• Tariff number: 90173000

Key figures

• Measuring range: 0–25 mm
• Resolution / reading: 0.01 mm
• Specified accuracy: ±0.004 mm
• Type: mechanical micrometer (analogue)

Materials & features

• Frame: painted finish
• Measuring drum: matt chrome plated
• Measuring faces: spherical / spherical
• Carbide measuring faces for wear resistance
• Ratchet stop for reproducible contact force
• Suitable application: tube wall thickness measurement from 1.8 mm
• Weight: data varied between sources (not stated)

FAQ

What measurement range does the M309.043 cover?
The M309.043 covers a measuring range of 0–25 mm, suitable for tube‑wall checks and small components.

How fine is the reading and what accuracy can be expected?
This micrometer offers a 0.01 mm reading and a specified accuracy of ±0.004 mm, supporting reliable routine measurements.

Are the measuring faces hard and wear‑resistant?
Yes, the tool is equipped with carbide measuring faces, which increase service life and maintain dimensional stability under frequent use.

Is the M309.043 suitable for measuring thin tubes?
The instrument is intended for tube‑wall thicknesses from approximately 1.8 mm and above, with spherical faces that improve contact on rounded profiles.

Does the micrometer require batteries or electronics for operation?
No; the M309.043 is an analogue micrometer with a mechanical drum and ratchet, avoiding dependence on batteries.

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