Skip to main content Skip to search Skip to main navigation
Cheap Shipping Cost
fast shipment
Advice before purchase
Purchase comfortable on account
Hotline +49 2822 7131930

Which measurement ranges are available for a 3-point internal micrometer?

A 3-point internal micrometer typically covers small to medium bores with high precision, making it ideal for metalworking and precision manufacturing. These instruments measure internal diameters using three contact points for repeatable accuracy and come in various measurement ranges to suit different bore sizes. For technical buyers and technicians seeking product specifications, choose a range that matches your part geometry and tolerance requirements. Metav IndustryLine and Microtech Metrology offer specialist options and advice for optimal selection.

Filter products

100-150mm Three-Point Inside Micrometer Colour Touchscreen Wireless/USB, ISO 17025 Calibrated - Microtech Metrology
100-150mm Three-Point Inside Micrometer Colour Touchscreen Wireless/USB, ISO 17025 Calibrated - Microtech Metrology

Take advantage of the combination of precise three-point measurement, wireless data output with USB, and full ISO 17025 calibration for dependable bore inspection and traceable results; order via Metav Werkzeuge or consult the specialists for application advice. Three-point internal micrometer — digital, 100–150 mm measuring range, Wireless + USB, Microtech Metrology The Three-point internal micrometer is a digital, workshop-ready instrument for repeatable bore and internal diameter checks from 100 to 150 mm, designed for production quality control and laboratory verification. ISO 17025 calibration certificate included Wireless and USB data output Colour 1.5" touchscreen display High repeatability: 0.004 mm accuracy Reliable measurement where it matters The instrument delivers consistent three-point measurement across bores, reducing orientation error and improving repeatability compared with single-point probes. With a specified accuracy of ±0.004 mm, the device supports quality control procedures that demand tight tolerances. The standard-sized measuring range classifies the tool for typical workshop and machine‑shop applications, offering a practical balance between reach and rigidity for medium-sized components. Fast data capture and traceability for production Equipped with Wireless and USB data outputs and a Colour 1.5" touchscreen, the device streamlines data acquisition and logging without manual transcription. The high-resolution reading (0.0001 mm) ensures fine increments are visible on the display, while digital output supports integration into measurement software or SPC workflows. This lowers administrative effort and helps maintain a clear audit trail for batch releases. Practical handling that reduces operator influence The included adjustment ring simplifies zeroing and routine checks, and the three-contact measuring head minimises tilting errors during insertion into bores. A measuring depth of 250 mm allows access to deeper cavities while preserving stability. These ergonomic and mechanical details reduce the effect of operator technique on the measurement result, improving reproducibility across shifts. Certified delivery and industrial readiness This micrometer is supplied fully calibrated to ISO 17025 standards and includes a calibration certificate, making it immediately suitable for accredited quality environments. The combination of high accuracy, digital interfacing and certified calibration positions the instrument as a reliable tool for incoming inspection, in‑process checks and final acceptance testing. Contact Metav Werkzeuge for tailored advice and secure a certified Microtech Metrology three-point internal micrometer (SKU 133715010) with ISO 17025 calibration for your measurement process Technical data Article number: 133715010 GTIN: 4061905074295 Manufacturer: Microtech Metrology ECLASS: 21170335 ETIM: EC003590 Facts Measuring range: 100–150 mm Resolution (reading): 0.0001 mm Accuracy: ±0.004 mm Measuring depth: 250 mm Digital display: Colour 1.5" touchscreen Data output: Wireless + USB Calibration: ISO 17025 certificate included Special features Three-point internal measurement Adjustment ring included Digital operation for SPC integration Suitable for workshop and lab use Delivered calibrated for traceability FAQ Is this instrument supplied calibrated? Yes. The Microtech Metrology three-point internal micrometer (SKU 133715010) is delivered fully calibrated to ISO 17025 and includes the corresponding calibration certificate. Which measurement range does the instrument cover? The device covers a measuring range of 100–150 mm, which places it in the standard class for workshop and machine‑shop bore inspection tasks. How are measurement results exported? Measurement data can be exported either wirelessly or via USB, enabling direct transfer into inspection software or SPC systems from the Microtech Metrology instrument. What resolution and accuracy can be expected? The display resolution is 0.0001 mm and the specified accuracy is ±0.004 mm, suitable for stringent dimensional checks in production control. Is the touchscreen suitable for use with gloves? The 1.5" colour touchscreen provides clear readout and simple menus; for glove operation, common shop gloves may limit sensitivity—repeatable results are maintained via the device’s stable mechanical design. Manufacturer / Responsible: Microtech, Nizhneyurkovska str., 45a, 04080 Kyiv, Ukraine, tool@microtech.tools

Regular price: €1,710.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
125-150mm Three-Point Internal Micrometer Self-Centring With Hardened Measuring Faces, Supplied In Case - Metav IndustryLine
125-150mm Three-Point Internal Micrometer Self-Centring With Hardened Measuring Faces, Supplied In Case - Metav IndustryLine

Take advantage of the combination of self-centring three-point contact, hardened measuring faces and a protective case for reliable, repeatable blind-bore measurement; order directly via Metav Werkzeuge or request advice from our technical consultants. Three-point internal micrometer MS908.664 — self-centring design, 125–150 mm (Metav IndustryLine) The Three-point internal micrometer MS908.664 is a precision instrument for accurate measurement of blind bores and internal diameters in machine shops and inspection benches Self-centring three-point contact Accuracy ±0.005 mm Hardened measuring faces Supplied in protective case Consistent concentric measurement where it matters The instrument’s self-centring three-point contact mechanism converts small radial differences into a single, centred datum, ensuring high repeatability during blind-bore checks. With a mechanical resolution and accuracy of ±0.005 mm, the device supports tight tolerance verification and process control for internal diameters. This level of precision is particularly useful when comparing series parts or validating internal fits, as the three-point geometry minimises eccentricity and reduces operator-induced variation. Robust construction for repetitive workshop use A durable construction and hardened measuring faces protect the contact points from wear and maintain measurement integrity over prolonged use. The analogue, mechanical drive reduces complexity and avoids battery dependence, making the tool suitable for routine quality inspections on the shop floor. The overall length of 145 mm gives the reach required for its measurement range while keeping the instrument compact enough for stable handling during repeated checks. Ideal balance of reach and stiffness for standard applications Classified in the standard range for internal measurement instruments (125–150 mm), this micrometer offers the best compromise between measuring reach and structural rigidity. That balance is critical in metalworking and fixture assembly, where longer tools can introduce deflection and shorter tools lack coverage. The design is optimised for blind bores, providing reliable access and reproducible contact even when full through-access is not available. Delivered protected and ready for transport The instrument is supplied in a protective case to safeguard measuring faces and the mechanism during transport and storage. Built for regular inspection cycles, it integrates easily into workshop tool sets and measurement benches; its analogue readout is simple to interpret and maintain, supporting efficient quality routines without complex electronic calibration procedures. Contact Metav Werkzeuge for tailored advice on the Metav IndustryLine three-point internal micrometer MS908.664 and to arrange procurement or technical specification support; email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: MS908.664 Manufacturer: Metav IndustryLine Type: Three-point internal micrometer Feature: Self-centring Measuring range: 125–150 mm Length: 145 mm Accuracy: 0.005 mm Reading: 0.005 mm Mechanism: Analogue Delivery: protective case Measuring faces: hardened Suitable for: blind bores Numeric data Measurement range: 125–150 mm Maximum measurement: 150 mm Minimum measurement: 125 mm Accuracy/resolution: 0.005 mm Length: 145 mm SKU: MS908.664 Design and special features Self-centring three-point contact Hardened measuring faces for wear resistance Analogue drive for low maintenance Compact length for stable handling Supplied in protective case for transport Intended for blind-bore measurement FAQ What measurement range does the instrument cover? The instrument covers a measurement range of 125–150 mm, placing it in the standard workshop range suitable for many machine‑building and metalworking applications; refer to MS908.664 for exact limits. What accuracy and resolution are specified? The device offers an accuracy and reading resolution of 0.005 mm, enabling reliable checks against typical tight tolerance requirements. Is the design suitable for blind bores? Yes — the self-centring three-point contact is engineered specifically to measure blind bores with improved concentricity and repeatability. Are the measuring faces wear-resistant? The measuring faces are hardened to resist wear and maintain consistent contact geometry during repetitive inspection tasks. Is a protective case included? The instrument is supplied in a protective case to secure the micrometer during transport and storage. Is the micrometer digital or analogue? This is an analogue instrument with a mechanical drive and a direct, tactile measuring feel appropriate for workshop environments. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €483.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
16-20mm Three-Point Internal Micrometer Self-Centering, Calibrated in Wooden Case - Metav IndustryLine
16-20mm Three-Point Internal Micrometer Self-Centering, Calibrated in Wooden Case - Metav IndustryLine

Take advantage of self‑centring three‑point measuring, compact dimensions and a finely graduated reading for consistent blind‑bore checks; the combination of repeatable centring, carbide measuring faces and analogue robustness supports efficient workshop workflows. Order the Three‑point internal micrometer directly via Metav Werkzeuge or ask our consultants if needed. Three‑point internal micrometer MS908.654 — self‑centring, 16–20 mm range (Metav IndustryLine) The Three‑point internal micrometer MS908.654 is a precision instrument designed for reliable measurement of blind bores in the 16–20 mm band, combining a three‑point contact head with a compact frame for confined spaces Self‑centring three‑point head Measurement range 16–20 mm Carbide measuring faces (HM) Delivered in protective case Precise bore measurement where space is limited The three‑point contact design ensures automatic centring inside a blind bore so that the measuring points engage evenly; this reduces eccentricity and improves repeatability compared with single‑point probes. With a defined measurement range of 16–20 mm the instrument falls into the micro class of calipers, making it especially suitable for fine mechanical tasks and small assemblies where controlled measuring force and stable contact geometry are decisive for consistent results. The compact geometry helps to keep torsion low and supports reproducible checks in confined geometries. Workshop‑grade contact surfaces and durability Hard‑facing on the contact surfaces gives dependable wear resistance: the carbide measuring faces resist abrasion in routine shop use and extend service life under frequent contact with metal workpieces. The micrometer’s analogue construction avoids batteries and electronic vulnerabilities, favouring simple maintenance and immediate readiness. Supplied in a protective case, the instrument is shielded during transport and storage, supporting reliable deployment across different production stations. Readability and measurement certainty The instrument provides a fine reading step alongside a verified accuracy that supports confident decision making. With a display increment of 0.005 mm and an assessed accuracy of ±0.004 mm, the micrometer allows precise comparative measurements and go/no‑go assessments in production and quality control. The three‑point mechanism shortens setup time for successive measurements and reduces correctional effort, which increases throughput without compromising measurement integrity. Applications, classification and practical benefit Classified as a micro‑range internal micrometer, the tool is suited to watchmaking, valve seats, small hydraulic components and other blind‑hole checks where a short, rigid measuring system is required. The self‑centring function removes an additional alignment step, while the robust contact material supports mixed workshop environments. As a compact analogue instrument it combines mechanical simplicity with measurement quality, making it an efficient choice wherever repeatable internal diameters must be verified. For procurement or technical advice on Metav IndustryLine measuring instruments, contact Metav Werkzeuge in Emmerich for personalised guidance and secure delivery from our European warehouse Technical data SKU: MS908.654 Manufacturer: Metav IndustryLine Type: Three‑point internal micrometer Core specifications Measurement range: 16–20 mm Accuracy: ±0.004 mm Reading increment: 0.005 mm Overall length: 80 mm Analogue operation Features and materials Self‑centring three‑point head Carbide measuring faces Suitable for blind‑hole bores Delivered in protective case Compact micro‑range instrument FAQ What measurement range does this instrument cover? The Three‑point internal micrometer MS908.654 covers a range of 16–20 mm, designed for precise checks in small blind bores. How accurate is the micrometer for production checks? The instrument offers an assessed accuracy of ±0.004 mm with a reading increment of 0.005 mm, allowing reliable comparative measurements on small components. Are the contact faces suitable for regular shop use? Yes, the measuring faces are made of carbide, providing increased wear resistance and extended service life in routine workshop conditions with the Three‑point internal micrometer. Is this micrometer suitable for very tight or confined bores? Its compact frame and self‑centring three‑point head make the tool especially suitable for confined blind‑hole applications where stable contact and low torsion are required. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Regular price: €163.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
175-200mm Three-Point Internal Micrometer Self-Centring, Interchangeable Anvils, Supplied in Case - Metav IndustryLine
175-200mm Three-Point Internal Micrometer Self-Centring, Interchangeable Anvils, Supplied in Case - Metav IndustryLine

Take advantage of the self‑centring three‑point contact, the 175–200 mm measuring range and the proven 0.005 mm accuracy to ensure reliable blind‑hole checks in routine inspection. Order the instrument directly via Metav Werkzeuge or ask the consultants for application advice. Three‑Point Internal Micrometer (MS908.666) — Self‑centring, 175–200 mm range; 0.005 mm accuracy Three‑Point Internal Micrometer (MS908.666) is a mechanical measuring instrument designed for precise measurement of blind holes in the standard workshop range. Self‑centring three‑point contact system Measuring range 175–200 mm High accuracy 0.005 mm Interchangeable measuring anvils Reliable centring for blind‑hole measurement The self‑centring three‑point contact design guarantees consistent alignment with the bore axis, reducing operator‑dependent variance during inspections. With a measuring range of 175–200 mm, this instrument falls into the standard class for workshop metrology: it combines sufficient reach with manageable stiffness for repeatable checks on housings and medium‑sized components. The mechanical, analog construction gives direct tactile feedback when seating the contacts, which supports quick decision‑making on the shop floor and lowers cycle time for routine checks. Accurate results with carbide measuring faces Equipped with carbide measuring faces, the gauge provides wear resistance where contact durability matters most. The specified accuracy of 0.005 mm positions the instrument for high‑precision internal measurement tasks where sub‑hundred‑micrometre reproducibility is required. This level of accuracy is communicated as a clear, quantifiable benefit: fewer reworks, more reliable acceptance testing and better conformity with drawing tolerances during incoming or in‑process inspections. Adaptable anvils for different bore conditions Interchangeable measuring anvils increase the micrometer’s versatility: the exchangeable heads allow adaptation to varying bore geometries and surface finishes without sacrificing the calibration baseline. For workshops that encounter a range of blind‑hole diameters, the ability to switch measuring faces minimises downtime and reduces the need for multiple dedicated gauges, thereby improving operational efficiency and tool inventory management. Robust, workshop‑ready mechanical design The analogue mechanism with a precise reading increment of 0.005 mm is robust and straightforward to maintain in industrial environments. The solid mechanical construction suits regular use in inspection benches and quality departments where resilience and uncomplicated operation are priorities. The compact feel combined with the instrument’s length makes it practical for ergonomic handling during repeated measurements, supporting consistent measurement practice and traceable results. For precise blind‑hole inspections, contact Metav Werkzeuge to discuss the Three‑Point Internal Micrometer MS908.666 and its interchangeable anvils for seamless integration into existing inspection routines. Technical data Article number: MS908.666 Product type: Three‑point internal micrometer Brand: Metav IndustryLine Facts Measuring range: 175–200 mm Minimum range: 175 mm Maximum range: 200 mm Accuracy: 0.005 mm Reading increment: 0.005 mm Length: 145 mm Operation: Analog Special features Self‑centring three‑point contact Interchangeable measuring anvils Carbide measuring faces Suitable for blind‑hole measurement Mechanical design for workshop use FAQ What measuring range does the instrument cover? The Three‑Point Internal Micrometer MS908.666 from Metav IndustryLine covers a 175–200 mm measuring range. How precise is the three‑point internal micrometer? The gauge delivers an accuracy of 0.005 mm, offering high repeatability for internal bore checks. Can the measuring faces be changed for different bores? Yes, the instrument features interchangeable measuring anvils, allowing adaptation to varying bore geometries without replacing the whole tool. Is the micrometer suitable for blind‑hole measurements? Designed specifically for blind‑hole (sackloch) inspection, the self‑centring three‑point design ensures reliable centring in such applications. What construction ensures long service life in the workshop? The MS908.666 uses carbide measuring faces and a robust analogue mechanism to withstand frequent use in industrial inspection environments. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €699.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
20-25mm Three-Point Internal Micrometer Self-Centring, Plastic Case - Metav IndustryLine
20-25mm Three-Point Internal Micrometer Self-Centring, Plastic Case - Metav IndustryLine

Take advantage of the combination of self‑centring, carbide measuring faces and high repeatability for reliable blind‑hole inspection; the compact 20–25 mm range is ideal for fine mechanical and precision engineering tasks. Order the instrument directly via Metav Werkzeuge or request specification advice from our consultants. Three‑point internal micrometer MS908.655 — self‑centring, carbide measuring faces (20–25 mm) by Metav IndustryLine The Three‑point internal micrometer MS908.655 is a self‑centring internal measuring instrument designed for accurate measurement of blind holes in precision engineering and workshop environments, offering an analogue reading with fine resolution for repeatable results Self‑centring three‑point mechanism Carbide measuring faces for wear resistance Measurement accuracy 0.004 mm Compact range 20–25 mm for fine parts Precise blind‑hole measurement with minimal setup The instrument delivers high repeatability through its self‑centring three‑point mechanism, which ensures concentric contact inside blind bores without complex alignment. With a rated accuracy of 0.004 mm and an analogue reading of 0.005 mm, the device is engineered for tasks where micrometre‑level certainty matters; this combination reduces rework and measurement uncertainty in small components. The compact design is especially suited to micro fabrication and precision inspection of housings and bores. Durable contact faces and dependable mechanical operation Carbide contact faces provide excellent wear resistance, maintaining measurement integrity over extended use in workshop conditions. The analogue nonius construction offers tactile feedback preferred in many inspection routines and requires no batteries or electronic interfaces, supporting uninterrupted operation on the shop floor. The included adjustment ring (25) enables straightforward zeroing and fine setting, while the robust build keeps the mechanical play to a minimum for consistent results. Designed for micro‑range quality control and fine parts Classified in the micro range (suitable for 10–100 mm scales), the 20–25 mm span targets small‑format parts such as precision sleeves, bearing bores and microassemblies. Its compact dimensions and precise geometry make it practical for use in bench inspection and in‑process checks where access is restricted. The measuring faces and frame geometry have been selected to balance stiffness and accessibility, ensuring stable measurements even when handling delicate components. Integration into workshop procedures and traceability The analogue three‑point gauge complements digital and traditional inspection tools as part of a consistent metrology chain; repeatable manual results simplify tolerance checks and go/no‑go decisions. Further technical documentation and measurement data are available from Metav Werkzeuge for integration into QA processes and production control. For operators transitioning from standard calipers or bore gauges, the instrument provides a clear step up in concentricity control without introducing complex electronics. For specification advice or to secure the MS908.655 from Metav IndustryLine, contact Metav Werkzeuge for personalised guidance at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: MS908.655 Manufacturer: Metav IndustryLine Product: Three‑point internal micrometer Numbers / Core technical data Measuring range: 20–25 mm Reading / resolution: 0.005 mm Accuracy: 0.004 mm Length: 90 mm Special features / Materials Self‑centring three‑point mechanism Carbide measuring faces Analogue nonius scale Suitable for blind‑hole measurement FAQ What measuring range does the MS908.655 cover? The MS908.655 covers a measuring range of 20–25 mm, making it suitable for small bores and fine mechanical components. How precise is the instrument for repeatable checks? The three‑point internal micrometer achieves a stated accuracy of 0.004 mm with an analogue reading of 0.005 mm, designed for consistent bench and in‑process inspection. Are the measuring faces wear resistant? Yes, the contact faces are made of carbide, providing enhanced wear resistance and long‑term dimensional stability for routine use. Is the gauge suitable for blind‑hole applications? The instrument is explicitly intended for blind‑hole measurement, featuring a self‑centring mechanism that ensures concentric contact within such bores. Does Metav IndustryLine provide technical support for integration into QA procedures? Metav IndustryLine and Metav Werkzeuge can supply further technical documentation and advice to assist with integration of the MS908.655 into quality control workflows. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €230.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
25-30mm Three-Point Internal Micrometer Self-Centering, 0.004mm Accuracy, Supplied in Case - Metav IndustryLine
25-30mm Three-Point Internal Micrometer Self-Centering, 0.004mm Accuracy, Supplied in Case - Metav IndustryLine

Take advantage of the combination of precise 0.004 mm accuracy, a self‑centring three‑point measuring head and carbide measuring faces for consistent blind‑hole measurement; order directly via Metav Werkzeuge or contact the consultancy team for tailored advice. MS908.656 Three‑Point Internal Micrometer — Self‑centring, 25–30 mm range (Metav IndustryLine) A three‑point internal micrometer designed for accurate measurement of blind holes and restricted bores in the 25–30 mm range, combining a compact form with stable contact geometry. Three‑point self‑centring measuring head Measuring range 25–30 mm Carbide measuring faces for wear resistance Analogue drive with 0.005 mm resolution Consistent results for blind‑hole inspection The instrument's self‑centring three‑point system guarantees repeatable contact with bore surfaces, reducing setup variance and rework in production inspection. The compact contact geometry suits restricted bores where standard callipers cannot reach, while the analogue drive and fine spindle allow controlled approach to the measuring surfaces. This configuration translates directly into fewer rejected parts and more reliable pass/fail decisions on the shop floor. Precision that meets workshop demands With a documented accuracy of 0.004 mm and a readable resolution of 0.005 mm, the device sits between general workshop tools and high‑precision instruments. The mechanical design and robust spindle ensure stable readings even in routine quality control. For applications that require exact internal diameters in small assemblies, this micrometer provides a balance of sensitivity and practical handling without invoking complex electronic systems. Durable contact surfaces for long service life The measuring faces are made from carbide, offering superior wear resistance under frequent use and abrasive conditions. That hard contact material preserves the reference geometry over many cycles and keeps measurement uncertainty low. An adjustment ring marked 25 assists with quick reference when setting or checking the nominal diameter, making repetitive tasks more efficient and less error‑prone. Compact format for fine mechanical work Classified in the micro range by its 25–30 mm span, the tool is ideal where small, precise components are involved. The short overall length supports handling in confined environments and maintains torsional stiffness for reliable contact pressure. As an analogue internal measuring instrument, it offers familiar operation for technicians while delivering the benefits of a three‑point system designed specifically for blind‑hole measurement. For precise and repeatable blind‑hole measurement, contact Metav Werkzeuge to request the Metav IndustryLine three‑point internal micrometer MS908.656 or to speak with a specialist at info@metav-werkzeuge.com / +49 2822 7131930 Technical Data Article number: MS908.656 Name: Three‑point internal micrometer Manufacturer: Metav IndustryLine Facts Measuring range: 25–30 mm Resolution: 0.005 mm Accuracy: 0.004 mm Length: 90 mm Special features Self‑centring three‑point measuring head Carbide measuring faces Analogue micrometer design Adjustment ring marked 25 Suitable for blind‑hole measurement FAQ What measuring range does this instrument cover? The three‑point internal micrometer MS908.656 covers a measuring range of 25–30 mm, suited to small‑bore and blind‑hole applications. Is this micrometer suitable for blind‑hole measurement? Yes, the self‑centring three‑point system of the Metav IndustryLine three‑point internal micrometer is specifically designed to measure blind holes and restricted bores reliably. What accuracy and resolution can be expected? The instrument provides an accuracy of 0.004 mm with an analogue readable resolution of 0.005 mm, offering precise control for workshop inspections. Are the measuring faces durable for repeated use? The measuring faces are made of carbide, ensuring wear resistance and long‑term stability of the contact geometry under frequent measurement cycles. How is the instrument adjusted for repetitive tasks? An adjustment ring marked 25 is provided for quick reference and repeatable setting when working with the same nominal diameters. Is this a digital instrument? No, the MS908.656 is an analogue internal micrometer, combining mechanical reliability with a fine spindle for controlled readings. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €230.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
6–8mm Three-Point Internal Micrometer Self-Centring For Blind Holes In Plastic Case - Metav IndustryLine
6–8mm Three-Point Internal Micrometer Self-Centring For Blind Holes In Plastic Case - Metav IndustryLine

Compact, self‑centring three‑point internal micrometre with a 6.0–8.0 mm measuring range and high mechanical resolution; the MS908.650 combines precise blind‑hole measurement with hardened measuring faces and a fine 0.001 mm reading—Order the three‑point internal micrometre directly via Metav Werkzeuge or ask our consultants if needed Three‑point internal micrometre MS908.650 — self‑centring, 6.0–8.0 mm range Three‑point internal micrometre MS908.650 delivers reliable blind‑hole measurement for precision workshops and production lines Self‑centring three‑point contact Measuring range 6.0–8.0 mm Resolution 0.001 mm reading Hardened measuring faces (HM) Precision where blind‑hole bores matter The self‑centring three‑point contact mechanism ensures coaxial alignment inside blind holes, reducing measurement variability compared with two‑point probes. With a measuring range of 6.0–8.0 mm and an analogue vernier controlled fine adjustment, this instrument is optimised for small‑diameter bores where repeatability is critical. The device’s geometry minimises radial play so that each measurement reflects the actual bore diameter rather than positioning error, which is particularly valuable in small‑component assembly and quality control workflows. Exceptional reading and repeatability for workshop standards Equipped with a mechanical reading division of 0.001 mm, the instrument offers a fine visual resolution while the stated accuracy of ±0.004 mm provides a clear performance expectation for routine inspections. The analogue vernier design gives tactile feedback during measurement, enabling experienced operators to control contact force intuitively. This combination of high resolution and guaranteed accuracy supports process control in machining and metrology tasks where small deviations can affect assembly fit or functional tolerances. Durable contact faces for industrial use The micrometre is fitted with hardened measuring faces (HM) to withstand repeated contact with workpiece surfaces and abrasive contaminants found in production environments. These robust faces preserve the geometry of the contact points over long service intervals, which reduces drift and the need for frequent re‑profiling. In practice, hardened faces extend usable life and maintain measurement integrity when inspecting ferrous and non‑ferrous components during serial production. Designed for blind‑hole measurement and simple handling Specifically configured for blind‑hole bores, the three‑point contact and compact body (length 54.5 mm) permit access to confined features that larger gauges cannot reach. The instrument includes an adjustment ring (setting ring 6) that allows controlled extension of the contact arms, making it suitable for varied hole depths within the stated range. Its compact, mechanically driven construction requires no batteries and integrates easily into inspection benches, making it a practical choice for laboratories and on‑shop measuring stations where robustness and low maintenance are priorities. Contact Metav Werkzeuge today to discuss how the MS908.650 can be integrated into existing inspection routines or to request tailored advice from our technical consultants Technical data Article number: MS908.650 Manufacturer: Metav IndustryLine Type: Three‑point internal micrometre Facts Measuring range: 6.0–8.0 mm Length: 54.5 mm Reading increment: 0.001 mm Accuracy: ±0.004 mm Adjustment ring: 6 Special features Self‑centring three‑point contact Hardened measuring faces (HM) Analogue vernier reading Suitable for blind‑hole bores Category: Messschrauben FAQ What measurement range does this instrument cover? The MS908.650 covers a measuring range of 6.0–8.0 mm, optimised for small blind‑hole bores. Is the device suitable for repetitive production checks? Yes, the MS908.650 is designed for workshop and production use with hardened measuring faces and a robust three‑point contact that supports repeatable inspections. What level of accuracy and resolution can be expected? The instrument provides a reading increment of 0.001 mm and a stated accuracy of ±0.004 mm, suitable for demanding quality control tasks. Can the micrometre measure deep blind holes? The compact length (54.5 mm) and the adjustment ring (6) make the MS908.650 appropriate for many blind‑hole depths within its 6.0–8.0 mm range. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €242.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
87-100mm Three-Point Internal Micrometer Self-Centering, 0.005mm Accuracy, Supplied in Case - Metav IndustryLine
87-100mm Three-Point Internal Micrometer Self-Centering, 0.005mm Accuracy, Supplied in Case - Metav IndustryLine

Combining self-centring operation with a guaranteed 0.005 mm accuracy across an 87–100 mm measuring band, this instrument delivers repeatable results for blind-hole inspection and internal-diameter checks. Order via Metav Werkzeuge or request expert advice from our consultants for application-specific guidance. Three-Point Internal Micrometer MS908.662 — Self-centring, 87–100 mm, 0.005 mm accuracy (Metav IndustryLine) A compact, three-point internal micrometer MS908.662 engineered for precise measurement of blind bores and internal diameters in the 87–100 mm range. Self-centring measuring head 87–100 mm measurement range 0.005 mm graduation and accuracy Carbide measuring faces for durability Precision for blind-hole measurements that must be repeatable The three-point measuring principle combines three symmetrically arranged anvils to centre automatically within the bore, reducing alignment errors and improving repeatability. With a declared accuracy of 0.005 mm and a matching reading resolution of 0.005 mm, the instrument is configured for reliable internal measurements where tight tolerances apply. The mechanical three-point arrangement compensates for minor irregularities in bore geometry and, compared with single-anvil probes, significantly reduces positional uncertainty; this is particularly important when inspecting blind bores where full insertion of contact probes is not possible. Durable, workshop-ready design for routine inspection Constructed with carbide measuring faces, the unit withstands abrasive and repetitive contact without rapid wear, thus maintaining measurement integrity over time. The analogue vernier operation provides a dependable mechanical reading method that does not rely on batteries, ensuring continuous availability on the shop floor. The compact overall length (114 mm) and a preset setting ring at 87 mm allow straightforward setup for the nominal range and make the tool suitable for tight-access tasks. These attributes combine to reduce downtime and simplify daily inspection routines in toolrooms and maintenance departments. Micro-class capability and typical use cases With a maximum measuring range of 100 mm, this instrument falls within the micro classification for compact internal gauges, a category valued for high precision in confined spaces. Typical applications include fine mechanical assembly, toolmaking, quality control of small to medium-sized components, and inspection of blind-hole bores in housings and castings. The self-centring function and carbide contacts make it an effective choice for repeated checks during production runs and for settings where consistent, operator-independent measurement behaviour is required. For tailored application advice or to secure this self-centring internal micrometer from Metav Werkzeuge in Emmerich — contact info@metav-werkzeuge.com or call +49 2822 7131930 for consultancy and delivery options Technical Data Article number: MS908.662 Product: Three-point internal micrometer Brand: Metav IndustryLine Facts Measuring range: 87–100 mm Reading / Resolution: 0.005 mm Accuracy: 0.005 mm Overall length: 114 mm Setting ring: 87 mm Special features Self-centring three-point head Carbide measuring faces Analogue vernier operation Suitable for blind-hole bores FAQ Is this instrument suitable for measuring blind bores? Yes. The MS908.662 three-point internal micrometer from Metav IndustryLine is specifically designed for accurate measurement of blind-hole bores within the 87–100 mm band. What accuracy and resolution are provided? The tool offers a declared accuracy of 0.005 mm with a reading resolution of 0.005 mm, making it suitable for precise workshop inspection tasks. What are the measuring faces made from? The measuring faces are carbide-tipped to provide wear resistance and long-term dimensional stability under repeated use. Does the instrument require batteries or electronics? No. The device uses an analogue vernier principle and is entirely mechanical, eliminating the need for batteries and reducing maintenance points. For which workshop tasks is the micrometer best suited? Ideal for fine mechanical work, toolroom checks and production inspection of internal diameters and blind holes where compact, high-precision measuring tools are required. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €365.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.

Understanding the measurement ranges of a 3-Point Internal Micrometer

A 3-Point Internal Micrometer is designed to measure internal diameters of bores and holes with high precision. It achieves this by using three contact points that expand to touch the internal surface simultaneously, ensuring a stable and repeatable reading. The measurement range of such an instrument indicates the smallest and largest bore diameters it can accurately measure, and choosing the correct range is essential for reliable results in machining, turning operations, and precision manufacturing.

How the measurement ranges are organised and why they matter

Manufacturers typically offer 3-Point Internal Micrometers in a set of consecutive ranges or as modular heads that cover overlapping spans. Each instrument or head covers a specific span — for example a single micrometer head may cover a narrow window like 10–18 mm, while extension rods or additional interchangeable heads extend the usable range. Selecting the correct range is important because using a micrometer near the limits of its span can reduce measurement accuracy and increase sensitivity to operator error. For technicians and buyers, matching the micrometer range to the typical bore sizes encountered in production avoids unnecessary instrument changes and minimises measurement uncertainty.

Typical range sizes and how they apply in practice

Ranges are commonly expressed in millimetres and provided either as single-piece tools covering a small span or as sets covering wider coverage through interchangeable extensions. In practice, manufacturers aim to balance usability and precision: narrower ranges generally enable finer resolution and higher repeatability, while broader ranges increase flexibility but may sacrifice a small degree of accuracy. For many workshop situations, having a small number of range overlaps across a set ensures that every bore diameter can be measured by at least one instrument at optimal accuracy.

When and where specific ranges are particularly useful

Different applications call for different coverage:

  • In precision parts production, where bores in turned components require tight tolerances, operators favour micrometers with narrow ranges to maximise measurement accuracy.
  • During quality assurance inspections across a mix of components, a set with overlapping ranges offers efficiency without constantly changing tools.
  • For on-machine checks or quick in-process verification, a compact micrometer covering the most common bore sizes in the workflow reduces downtime.

Key technical characteristics that influence choice of range

When comparing instruments and deciding on a measurement range, consider these main features:

  • Measurement accuracy: How close the reading is to the true value across the covered range.
  • Resolution and gradation: The finest increment the micrometer can display or read.
  • Repeatability: The ability to reproduce the same reading under the same conditions.
  • Build and contact geometry: The three-point contact mechanism and the quality of anvils or measuring tips affect performance in the chosen range. These elements determine whether a particular range is suitable for a specific metrology task.

How to match a 3-Point Internal Micrometer to your needs

Begin by analysing the typical internal diameters encountered in your production or inspection processes. If most bores fall within a narrow band, choose micrometers whose ranges centre on that band for the best accuracy. For mixed-size production, invest in a set with overlapping ranges or modular heads to maintain precision while covering broader sizes. Remember that extension rods can expand the functional range but may slightly alter the effective measuring characteristics; validate calibration after any configuration change.

Leading Manufacturers and trusted providers for this type of measuring tool

Among respected suppliers of precision measuring instruments, several brands are recognised for their consistent quality and support. Mitutoyo, INSIZE, Mahr and Bowers are established names whose instruments are widely used across industry. At the same time, Metav IndustryLine and Microtech Metrology stand out as excellent choices for customers seeking both reliable products and strong technical guidance. In particular, Metav (Metav Werkzeuge GmbH) combines deep expertise in precision measuring tools with practical advice for demanding measurement tasks, helping customers select the best micrometer configuration for accurate internal diameter measurement in metal parts and precision manufacturing environments.

Short list of practical differences to consider between micrometer sets

  • Measurement accuracy versus range breadth: Narrow-range heads tend to give the best precision.
  • System flexibility: Sets with interchangeable heads cover more sizes but require careful calibration.
  • Application fit: For repetitive checks in a stable production process, choose the most frequently used range for minimal setup.

In summary, the question “Which measurement ranges are available for a 3-Point Internal Micrometer?” is answered by recognising that ranges are offered as narrow single heads or as modular sets with overlapping spans to cover the full spectrum of bore diameters encountered in workshop and production settings.

To conclude: choose a range that matches your most common bore sizes to ensure the best accuracy, repeatability and efficiency for your internal diameter measurements.

Fragen zu diesen Produkten??

Mit mehr als 30 Jahren Erfahrung beraten wir Sie gerne persönlich.

Tel.: +49 2822 7131930

Mail: info@metav-werkzeuge.com