12–16mm Three-Point Internal Micrometer 0.001mm With Setting Ring And 152.4×Ø11.8 Extension, In Case - Metav IndustryLine

Take advantage of the combination of compact range precision, a 0.001 mm reading and practical workshop accessories for reliable internal measurements; order the instrument directly via Metav Werkzeuge or consult the specialists for detailed advice.

Three-point internal micrometer M312.433 — 12–16 mm, 0.001 mm resolution (Metav IndustryLine)

A three-point internal micrometer M312.433 intended for accurate measurement of blind bores and internal diameters in fine mechanical components.

• High-resolution 0.001 mm reading
• Range 12–16 mm for small bores
• Includes setting ring and extension
• Supplied in sturdy transport case

Precision where small diameters matter

The three-point measuring system centres automatically inside the bore, reducing alignment errors and enabling consistent readings in confined geometries. With a display resolution of 0.001 mm and an indicated accuracy of ±0.005 mm, the instrument bridges the gap between routine workshop gauges and high-precision laboratory devices. The 12–16 mm span places the tool in the micro range, which is optimised for fine mechanics and small components: short anvils and compact geometry keep bending and handling errors low, so measurements on small shafts, bearing seats or precision housings remain reproducible.

Built for reproducible workshop measurements

Practical accessories extend the gauge’s usefulness: a setting ring (16 mm) for quick verification and an extension rod (152.4 x Ø11.8 mm) for deeper blind bores are included, permitting controlled access to hard-to-reach internal features. The scale and vernier are matt chrome-plated, which improves contrast and resists wear from frequent handling, while defined measuring faces ensure repeatable contact conditions. Delivered in a protective transport case, the instrument is kept safe in transit and storage; the overall balance and a listed weight of 0.8 kg support steady handling during series checks and setup tasks.

Applications and quality routines that benefit from stable centring

This gauge is tailored for measuring blind holes and small internal diameters in toolmaking, precision engineering and maintenance departments where repeatability matters. The three-point contact reduces sensitivity to off-axis loading, making it well suited for quality checks on bores produced by reaming, honing or small-bore drilling. As part of Metav’s range, the instrument contributes to a pragmatic quality workflow: compact, serviceable measuring tools that integrate into existing inspection routines and support traceable, comparable results across shifts and workstations.

For precise internal measurements and workshop integration, consult Metav Werkzeuge in Emmerich for ordering and technical guidance — phone +49 2822 7131930 or eMail info@metav-werkzeuge.com and request the M312.433 for evaluation in existing inspection processes

Technical Data

• Article number: M312.433
• GTIN: 4054469182155
• Manufacturer: Metav IndustryLine

Facts

• Measuring range: 12 mm – 16 mm
• Resolution / reading: 0.001 mm
• Stated accuracy: ±0.005 mm
• Weight: 0.8 kg
• Setting ring: 16 mm
• Extension: 152.4 x Ø11.8 mm

Special features

• Three-point internal measuring system
• Suitable for blind bores
• Matt chrome-plated scale and vernier
• Supplied in transport case
• Measuring faces present

FAQ

What accuracy and resolution can be expected from this gauge?
The three-point internal micrometer M312.433 delivers a resolution of 0.001 mm with a stated accuracy of ±0.005 mm, suitable for precise workshop control and small-component inspection.

Can the instrument measure blind holes effectively?
Yes, the gauge is specifically designed for blind bore measurement and includes an extension rod to reach recessed features with stable centring.

Is a setting ring supplied and what size is it?
A setting ring (16 mm) is included for quick verification and zero-setting of the measuring system, simplifying day-to-day calibration checks.

How is the instrument protected during transport and storage?
The tool is supplied in a sturdy transport case to protect the instrument and accessories during transit and in the workshop.

Which industries and applications suit this micrometer?
Use cases include fine mechanical assembly, toolrooms, precision engineering and maintenance work where internal diameters between 12 and 16 mm require repeatable, centring-stable measurement

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