20-25mm Digital Three-Point Internal Micrometer With Carbide Faces, No Setting Ring - Metav IndustryLine

Take advantage of precise three-point internal measurement, 0.005 mm accuracy and wear‑resistant carbide faces for reliable bore inspection; order the M312.215 directly via Metav Werkzeuge or consult our specialists for application advice.

M312.215 Digital three-point internal micrometer — 20–25 mm, RB6 output, carbide measuring faces (Metav IndustryLine)

M312.215 is a compact digital instrument for precise internal diameter measurement in a 20–25 mm range, designed for blind‑hole bores and short‑reach internal inspection.

• Three-point internal measurement for blind bores
• Carbide measuring faces for wear resistance
• High accuracy: 0.005 mm measurement precision
• RB6 data output and compact 20–25 mm range

Precision where bore integrity matters

The instrument employs a three-point measuring system that centres automatically in the bore, translating radial contact into a stable diameter reading. With a stated accuracy of 0.005 mm, the device suits quality control tasks where repeatable, micrometre‑level confidence is required. This level of performance places the tool in the segment for high‑precision internal checks, reducing rework and inspection uncertainty when verifying mating parts or bore tolerances.

Built for repeatability and data capture

Durable carbide measuring faces ensure longevity under frequent contact and resist abrasive wear, so measurement drift over time is minimised. The meter features a digital display with ON/OFF/SET, HOLD and mm/inch functions for direct reading and simple switching between units. The integrated RB6 data output supports digital readout or logging workflows, enabling straightforward capture of inspection data for traceability and process control without manual transcription.

Compact handling for blind and short bores

Sized for a 20–25 mm internal diameter range, the instrument is optimized for blind‑hole applications where access is limited. Its compact build and ergonomic design facilitate controlled application in confined spaces, while the three‑point contact geometry ensures stable centring even in imperfect bores. Because the tool is configured without an adjustment ring or extension, it is ready for immediate use in standard blind‑hole inspection tasks and benefits bench and on‑machine inspection routines alike.

For precision bore inspection in production environments, request the Metav IndustryLine M312.215 three‑point internal micrometer with RB6 output from Metav Werkzeuge and arrange a technical consultation via info@metav-werkzeuge.com or by phone at +49 2822 7131930

Technical Data

• Article number: M312.215
• GTIN: 4054469169125
• Category: Micrometers (Messschrauben)

Facts

• Measurement range: 20–25 mm
• Accuracy: 0.005 mm
• Weight: 1.3 kg
• Overall length: 53 mm
• Data output: RB6

Special features

• Three‑point internal measuring
• Carbide (HM) measuring faces
• Digital display with ON/OFF/SET, HOLD, mm/inch
• Suited to blind‑hole bores
• Supplied without setting ring
• Supplied without extension

FAQ

What measurement range does this instrument cover? The M312.215 covers internal diameters from 20 to 25 mm and is tailored to short‑reach bore inspection.

How precise are the readings from this micrometer? The device provides measurements with an accuracy of 0.005 mm, offering micrometre‑level repeatability for inspection tasks.

Is the instrument suitable for blind‑hole measurements? Yes, the design of the M312.215 and its three‑point contact geometry make it suitable for blind‑hole bores.

What are the measuring faces made of? The measuring faces are carbide (hard metal), chosen for wear resistance and long service life under frequent use.

What digital outputs and display functions are available? The instrument features a digital display with ON/OFF/SET, HOLD and mm/inch functions and provides an RB6 data output for digital readout or logging

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