16-20mm Three-Point Internal Micrometer With Setting Ring And Extension In Wooden Case - Metav IndustryLine

Precise three-point measurement for blind bores combines 0.005 mm accuracy, a robust three‑point measuring head and a matt‑chrome scale for dependable shop‑floor checks. Order the three‑point internal micrometer directly via Metav Werkzeuge or consult the team for application guidance.

Three‑point internal micrometer M312.134.P — 16–20 mm range, 0.005 mm accuracy (Metav IndustryLine)

The three‑point internal micrometer is designed for precise checking of blind bores and small internal diameters in the 16–20 mm range for workshop and inspection use

• Three‑point head for blind‑bore measurement
• Measuring range 16–20 mm
• Accuracy 0.005 mm for fine work
• Includes setting ring and extension

Reliable accuracy for repeatable bore checks

The instrument delivers 0.005 mm accuracy via a mechanical vernier system, giving a clear and repeatable reading for fine inspection work. The three‑point measuring head centres itself in the bore and reduces alignment errors that commonly occur with two‑point probes; this improves repeatability when inspecting series of components. Hardened contact faces and a matt‑chrome scale provide durable metrological references, so measurements remain stable under routine workshop conditions and calibration cycles.

Practical handling and workshop durability

A compact 75 mm frame and a substantial build ensure the gauge is straightforward to handle while remaining robust against knocks and routine use. The matt‑chrome scale and vernier resist glare for easy reading under workshop lighting, while the included setting ring allows quick verification against a master standard and the supplied extension increases the usable reach for deeper blind bores. The analogue design keeps operation simple and reliable without dependence on batteries, supporting continuous production checks.

Focused application: blind bores and small components

Engineered for internal inspection tasks, this micrometer is particularly suited to blind‑hole checks in assemblies, components and toolroom parts within the 16–20 mm band. Its three‑point geometry is advantageous for cylindrical bores where concentric seating and elimination of tilt are essential. As part of the Metav IndustryLine range, the tool pairs practical workshop usability with a verified build quality, making it appropriate for quality control, incoming inspection and maintenance checks across metalworking and mechanical assembly environments.

For repeatable blind‑bore measurement choose the Metav IndustryLine three‑point internal micrometer and contact Metav Werkzeuge in Emmerich for tailored application advice via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: M312.134.P
• GTIN: 4054469158631
• Brand: Metav IndustryLine

Data

• Measuring range: 16–20 mm
• Accuracy: 0.005 mm
• Reading / Resolution: 0.005 mm
• Length: 75 mm
• Weight: 0.9 kg

Special features

• Three‑point measuring head for blind bores
• Scale and vernier matt chrome‑plated
• Hardened measuring faces
• Includes setting ring and extension (100xØ11,7)
• Analog instrument

FAQ

Is this micrometer suitable for blind bores?
Yes. The three‑point internal micrometer M312.134.P is designed specifically for blind‑hole measurement and centres itself to reduce tilt errors.

What is the declared accuracy and resolution?
The instrument provides an accuracy of 0.005 mm with a vernier reading of 0.005 mm, as stated for the Metav IndustryLine three‑point internal micrometer.

Does the gauge include accessories for calibration?
Calibration aids are included: the delivery contains a setting ring and an extension to verify and extend the measuring range during inspections.

Are the measuring faces durable for shop use?
Yes. The measuring faces are hardened and the scale is matt‑chrome plated to withstand regular workshop handling while maintaining reliable readings.

Which applications suit the 16–20 mm range?
Typical uses are small internal diameters on components, blind‑hole checks in assemblies and incoming inspection of machined parts where repeatable internal measurement is required.

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