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Which measurement accuracy does a micrometer have?

A micrometer typically offers high precision for beginners, often with a reading accuracy of 0.01 mm for standard models and up to 0.001 mm or 0.0001 mm for high‑end instruments. The device uses a threaded spindle and a ratchet stop so you can reliably measure diameters, shafts and bores. For precise metrology applications consider brands like Microtech Metrology or Mitutoyo and check the specific model’s accuracy before purchasing.

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10–12mm Three-Point Inside Micrometer Self-Centering, Supplied in Case - Metav IndustryLine
10–12mm Three-Point Inside Micrometer Self-Centering, Supplied in Case - Metav IndustryLine

The combination of precise self‑centring contact, a compact 10–12 mm measuring range and robust carbide faces ensures fast, repeatable blind‑hole measurements with minimal setup. Order the instrument directly via Metav Werkzeuge or consult the team for application advice. Metav IndustryLine Three‑Point Internal Micrometre MS908.652 — self‑centring, 10–12 mm range The Three‑Point Internal Micrometre MS908.652 is a compact analogue micrometre designed for precise diameter measurement inside blind holes and small bores in the 10–12 mm range. Self‑centring three‑point contact Measuring range 10–12 mm Accuracy 0.004 mm Carbide measuring faces Reliable centring for blind‑hole measurement A three‑point contact ensures rapid and reproducible alignment in blind holes, reducing repositioning time and measurement scatter. The micrometre’s self‑centring mechanism automatically locates the bore centre, so the operator obtains a consistent contact geometry on each measurement. With a measuring span of 10–12 mm the instrument is tailored to micro components and small bores where repeatability and short setup times are essential, improving throughput in small‑part inspection tasks. Durable contact surfaces for longer service life The measuring faces are manufactured as carbide contacts to resist wear and preserve accuracy during frequent use. The unit’s analogue design gives a tactile feel and straightforward reading, paired with a fine adjustment capability to approach tight fits carefully. The compact body (length approx. 54.5 mm) is suited to constrained access, while a setting ring (size 10) is included for verification and quick zeroing, supporting stable traceability in routine quality checks. Practical workflow advantages and workshop integration This three‑point micrometre combines simple operation with technical reliability: measurements are quick, calibration checks are straightforward and the tool integrates easily into existing inspection benches. Classified in the Micro range (max. 10–100 mm), it fulfils typical needs of precision engineering, watchmaking and small‑component production where stiffness, reach and single‑hand operation must be balanced. Metav’s distribution ensures European stock and reliable delivery from Emmerich. Request application guidance or order details from Metav Werkzeuge for the Metav IndustryLine three‑point internal micrometre MS908.652 — contact info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: MS908.652 Brand: Metav IndustryLine Category: Micrometres Type: Three‑point internal micrometre Measuring range: 10.0–12.0 mm Minimum range: 10 mm Maximum range: 12 mm Accuracy: 0.004 mm Length: 54.5 mm Setting ring: 10 Self‑centring three‑point contact Carbide (hard metal) measuring faces Analogue operation (nonius style) Suitable for blind‑hole bores FAQ How does the three‑point contact improve measurement in blind holes? The three‑point geometry of the MS908.652 centres automatically in a bore, giving a stable contact triangle that reduces wobble and improves repeatability compared with single‑point probes. What measurement accuracy can be expected from this instrument? The instrument is specified with an accuracy of 0.004 mm; in routine use this delivers repeatable diameter readings for small‑bore inspection tasks. Is the micrometre suitable for workshop use or only for laboratory conditions? Designed for practical workshop use, the robust carbide faces and analogue adjustment make the MS908.652 resilient to frequent handling while keeping measurement quality high. How is the instrument returned to zero or checked on site? A setting ring (size 10) is provided for quick verification and zeroing of the micrometre before inspection runs. Which components and applications benefit most from this micrometre? Small bores, precision fittings, watch‑ and micro‑mechanical parts and any blind‑hole diameters in the 10–12 mm range benefit from the compact form, self‑centring contact and carbide faces of the MS908.652. Metav IndustryLine: 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
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12-16mm Three-Point Internal Micrometer Colour Touchscreen, Wireless/USB, ISO 17025 Calibrated - Microtech Metrology
12-16mm Three-Point Internal Micrometer Colour Touchscreen, Wireless/USB, ISO 17025 Calibrated - Microtech Metrology

Take advantage of the combination of high accuracy, wireless + USB data transfer and full ISO 17025 calibration with certificate for reliable measurements in precision workshops; order the three-point internal micrometre directly via Metav Werkzeuge or ask our consultants for tailored advice. Three‑Point Internal Micrometre – Digital internal measuring tool with wireless + USB and 1.5" colour touchscreen (Microtech Metrology) The Three‑Point Internal Micrometre is a compact digital instrument engineered for precise internal diameter measurement in small bores and precision components within the micro measurement category. *Digital display: 1.5" colour touchscreen *Wireless and USB data output *ISO 17025 calibrated with certificate *Measuring range 12–16 mm, 0.004 mm accuracy Accurate measurements for micro components Classified in the Micro category (suitable for very compact tasks), this instrument covers a measuring range of 12.0–16.0 mm, offering a practical reach for miniature assemblies and precision parts. The instrument combines a fine resolution of 0.0001 mm with a guaranteed accuracy of ±0.004 mm, which reduces measurement uncertainty and supports reproducible inspection results. Such precision is particularly valuable when inspecting small bores in sub‑assemblies where even slight deviations can affect fit and function. Traceable data capture and delivered calibration Designed for modern production environments, the micrometre provides wireless and USB connectivity for straightforward data transfer into inspection logs and SPC systems. The 1.5" colour touchscreen simplifies reading and setting adjustments on the shop floor, while the supplied setting ring ensures fast zeroing and repeatable reference points. The tool is supplied fully calibrated to ISO 17025 and includes a calibration certificate, enabling formal traceability and immediate use in processes that require accredited measurement results. Ergonomic handling that speeds up inspections The three‑point contact design centres measurement force, improving contact consistency inside bores and reducing operator‑induced variation. The compact format supports single‑hand operation in confined spaces and the intuitive touchscreen speeds routine checks, lowering cycle times and decreasing the likelihood of rework. The included setting ring and clear digital readout combine to make daily inspection routines both ergonomic and efficient. Integration into workshop quality routines With its digital outputs and compact form factor, the device integrates easily into existing inspection stations and handheld workflows. The substantial measuring depth of 230 mm provides versatility when accessing deeper bores or assemblies, while the three‑point mechanism ensures stable centring for reliable interior measurements. Together, these features support a consistent quality chain from initial inspection through to final acceptance. Contact Metav Werkzeuge in Emmerich for a suitability review or to request a quotation for this Microtech Metrology three‑point internal micrometre with ISO 17025 calibration; email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 133701610 GTIN: 4061905074219 Manufacturer: Microtech Metrology ECLASS: 21170335 Facts Measuring range: 12.0–16.0 mm Resolution: 0.0001 mm Accuracy: ±0.004 mm Measuring depth: 230 mm Special features Digital colour 1.5" touchscreen Data output: Wireless and USB Included setting ring ISO 17025 calibration with certificate Three‑point internal measuring spindle FAQ What bore sizes can be inspected with this instrument? The Three‑Point Internal Micrometre is designed for bores in the 12.0–16.0 mm range and is classified in the micro category for compact internal measurements. Is the micrometre delivered calibrated for traceability? Yes, the instrument is supplied fully calibrated to ISO 17025 and includes a calibration certificate for immediate traceable use. How are measurement results transferred to a PC or inspection system? Measurement data can be transmitted via the micrometre’s wireless interface or exported using the USB connection for integration into inspection logs. What level of precision can be expected during routine checks? Routine measurements with the Three‑Point Internal Micrometre offer a resolution of 0.0001 mm and an accuracy of ±0.004 mm, suitable for high‑precision shopfloor inspections. Does the tool include accessories for initial setup? The micrometre is supplied with an inclusive setting ring to establish a reproducible zero reference and support repeatable measurements. Manufacturer / Responsible: Microtech, Nizhneyurkovska str., 45a, 04080 Kyiv, Ukraine, tool@microtech.tools

Regular price: €870.00
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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
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225-240mm Three-Point Internal Micrometer Self-Centering Exchangeable Anvils, Supplied in Case - Metav IndustryLine
225-240mm Three-Point Internal Micrometer Self-Centering Exchangeable Anvils, Supplied in Case - Metav IndustryLine

Take advantage of self‑centring three‑point measurement and carbide measuring faces for consistent, reproducible results in blind‑hole bores; the interchangeable measuring inserts allow flexible adaptation across the nominal range. Order the instrument directly via Metav Werkzeuge or consult our specialists for application advice. Three‑point internal micrometer MS908.668 — self‑centring, carbide faces (Metav IndustryLine) The MS908.668 is a three‑point internal micrometer for accurate measurement of blind‑hole bores in workshop and inspection environments. Self‑centring three‑point measuring head Carbide measuring faces for wear resistance Interchangeable measuring inserts Delivered in protective case Faster, repeatable centring in blind‑hole measurement The self‑centring three‑point measuring head significantly reduces setup time when inspecting blind‑hole bores. By contacting the bore with three equidistant measuring points the instrument centres itself automatically, which improves repeatability compared with two‑point probes and speeds up routine checks. The analogue mechanism keeps the operation straightforward for technicians and maintenance staff who require reliable results without complex electronics. Metrology performance you can rely on Designed for industrial use, the instrument offers a stated accuracy 0.007 mm and a resolution 0.005 mm, values that make it well suited for quality control in machining and assembly. These specifications mean the device detects small deviations while providing a clear mechanical indication of the measurement. The combination of robust mechanical gearing and a clear, fine graduation supports precise readings under standard workshop conditions, helping to maintain product tolerances and reduce the risk of costly rework. Durable contact surfaces and flexible inserts The measuring faces are carbide tipped to resist wear during frequent use, preserving the nominal geometry and ensuring long‑term stability. Interchangeable measuring inserts permit adaptation across the stated measuring span so one instrument can cover a range of bore diameters without compromising accuracy. Supplied in a protective case, the tool is ready for transport to the machine or for storage in an inspection cabinet, keeping the measuring faces protected between uses. Trusted partner for precision tasks As part of the Metav IndustryLine range, this three‑point internal micrometer benefits from the supplier’s focus on accessibility and reliability. Metav’s approach to precision brings workshop‑grade metrology within reach, backed by a broad product portfolio and proven logistical support from Emmerich. The instrument suits metrology labs, maintenance teams and production lines that prioritise consistent centring, wear resistance and straightforward operation. For expert advice or to purchase the Metav IndustryLine three‑point internal micrometer MS908.668 with interchangeable inserts and carbide faces, please contact Metav Werkzeuge for tailored assistance and fast supply Technical data Article number: MS908.668 Brand: Metav IndustryLine Category: Messschrauben Numbers / Facts Measuring range: 225–240 mm Resolution (reading): 0.005 mm Accuracy: 0.007 mm Length: 145 mm Analogue instrument Special features / Versions Self‑centring three‑point measuring head Carbide measuring faces Interchangeable measuring inserts Suitable for blind‑hole bores Supplied in protective case FAQ What measuring range does the instrument cover? The MS908.668 three‑point internal micrometer covers a measuring span from 225 mm to 240 mm as delivered. Is this tool suitable for blind‑hole measurements? Yes; the three‑point, self‑centring design is specifically intended for reliable measurement of blind‑hole bores. Can the measuring inserts be replaced to adjust for different bore sizes? Interchangeable measuring inserts are provided, allowing the instrument to be adapted across its nominal measuring span. How precise are the readings from this analogue instrument? The instrument provides a resolution of 0.005 mm with a stated accuracy of 0.007 mm, suitable for workshop and production quality checks. Are the measuring faces durable under regular workshop use? The contact points are carbide tipped to increase wear resistance and maintain geometric integrity over extended use. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €1,002.00
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250-275mm Three-Point Internal Micrometer Self-Centring Interchangeable Spindle, 0.007mm Accuracy, Supplied in Case - Metav IndustryLine
250-275mm Three-Point Internal Micrometer Self-Centring Interchangeable Spindle, 0.007mm Accuracy, Supplied in Case - Metav IndustryLine

Combine reliable self‑centring measurement with a 250–275 mm measuring range and interchangeable measuring inserts for consistent, repeatable bore checks; order the instrument directly via Metav Werkzeuge or consult their specialists for application advice. Three‑point internal micrometer MS908.669 — self‑centring bore micrometer, 250–275 mm (Metav IndustryLine) The Three‑point internal micrometer MS908.669 is a self‑centring bore micrometer designed for precision measurement of blind holes in machining and workshop quality control. Self‑centring three‑point measurement Measuring range 250–275 mm Accuracy ±0.007 mm Interchangeable measuring insert Accurate bore measurement where alignment matters The three‑point design provides a self‑centring contact with the bore, which reduces alignment error and speeds up set‑up when checking blind holes. With a stated accuracy of ±0.007 mm and an analogue reading step of 0.005 mm, the instrument delivers reproducible results for routine quality checks. The mechanical nonius format keeps the workflow straightforward and avoids dependencies on batteries or electronics, supporting continuous shop‑floor operation. Robust construction for workshop use Classified within the standard range for workshop micrometres, the device covers 250–275 mm, a span that balances reach and stiffness for typical machine‑shop components. The measuring faces are made of carbide, improving wear resistance when probing machined bores. The interchangeable measuring insert system allows quick replacement of worn or specialised tips, extending the instrument’s service life and adapting it to specific bore geometries. Practical handling to reduce cycle time Designed for efficient operation, the instrument’s three‑point geometry centres itself in the bore and thus shortens measurement cycles compared with multi‑step setups. The analogue format is tactile and direct, providing immediate feedback during measurement. Supplied in a protective case for secure transport, the tool is ready for use at different workstations and is dimensioned to be handled easily by one operator for most inspection tasks. Reliable data for consistent quality control Used within a production or inspection routine, the micrometer supports fast go/no‑go decisions and reduces rework by providing consistent internal diameter readings. The combination of a defined measuring range, carbide contact faces and an exchangeable insert system means fewer interruptions for maintenance and predictable measurement behaviour over time. The instrument is especially well suited to blind‑hole verification in component production, jig making and fitting operations. Contact Metav Werkzeuge today to discuss how the MS908.669 can be integrated into existing inspection routines or to arrange a tailored measurement solution from their Emmerich facility Technical data Article number: MS908.669 Product type: Three‑point internal micrometer Brand: Metav IndustryLine Facts Measuring range: 250–275 mm Measuring range (min): 250 mm Measuring range (max): 275 mm Accuracy: ±0.007 mm Reading increment: 0.005 mm Length: 145 mm Special features Self‑centring three‑point measurement Carbide measuring faces Interchangeable measuring insert Suitable for blind‑hole bores Supplied in protective case Analogue mechanical instrument FAQ What measuring range does the instrument cover? The instrument covers a measuring range of 250–275 mm, intended for medium‑sized bores in workshop use. Is the device suitable for blind‑hole measurements? Yes, the three‑point, self‑centring geometry is specifically designed for reliable measurement of blind holes. What accuracy and resolution can be expected? The micrometer offers an accuracy of ±0.007 mm with an analogue reading increment of 0.005 mm. Can the measuring faces be replaced or adapted? The instrument features an interchangeable measuring insert, and the measuring faces are carbide for long service life. How is the product delivered and how is it identified? The tool is supplied in a protective case and is listed as MS908.669 from Metav IndustryLine Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €1,205.00
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275-300mm Three-Point Internal Micrometer Self-Centring, Interchangeable Anvils, Calibrated in Plastic Case - Metav IndustryLine
275-300mm Three-Point Internal Micrometer Self-Centring, Interchangeable Anvils, Calibrated in Plastic Case - Metav IndustryLine

Take advantage of a self‑centring three‑point measuring head, robust carbide measuring faces and a 275–300 mm range for consistent blind‑hole inspection — order the instrument via Metav Werkzeuge or contact our specialists for application advice. Three‑point internal micrometer MS908.670 — self‑centring, 275–300 mm range (Metav IndustryLine) The Three‑point internal micrometer is a precision analogue instrument for reliable measurement of blind bores in machine construction and toolmaking. Self‑centring three‑point head Measuring range 275–300 mm Interchangeable measuring insert Resolution 0.005 mm, accuracy ±0.007 mm Consistent centring for blind‑hole work that saves time The instrument’s self‑centring three‑point head guarantees that the measuring contacts align automatically with the bore axis, reducing setup time and minimising operator error. For applications in production or quality control where repeatability matters, this design converts manual handling into a reproducible process. The unit’s standard range (275–300 mm) fits typical medium‑sized bores encountered in fixtures, housings and component assemblies, providing an efficient balance between reach and ease of handling. Clear analogue reading with industry‑grade precision Equipped with an analogue graduation that offers a resolution of 0.005 mm and a stated accuracy of ±0.007 mm, the device provides measurable certainty without complex electronics. These specifications correspond with workshop inspection needs where a tactile feel and immediate visual feedback are valued. In practice, the resolution allows fine incremental control during measurement and the accuracy ensures confidence when recording results for process control or acceptance tasks. Durable measuring faces and modular inserts for long service life The measuring contacts are furnished with carbide measuring faces, chosen for wear resistance and stable contact geometry under repeated use. The interchangeable measuring insert system permits adaptation to varying bore conditions and simplifies maintenance: inserts can be replaced without extensive downtime, extending the instrument’s operational life and keeping measurement uncertainty low. This modularity supports varied production demands while lowering total cost of ownership. Workshop‑ready design tailored to machine‑shop workflows Built as an analogue micrometer in the Metav IndustryLine, the instrument combines straightforward handling with workshop robustness. A compact overall form (length approx. 145 mm) and a three‑point contact principle help to maintain stiffness during measurement, which is crucial when inspecting bores that require high concentricity. The tool is well suited for standard quality control loops and for technicians who prefer a mechanical measuring instrument with clear physical feedback. For expert specification and rapid procurement of the Metav IndustryLine three‑point internal micrometer MS908.670, contact Metav Werkzeuge for tailored advice and to arrange purchase through our European distribution. Technical data Article number: MS908.670 Name: Three‑point internal micrometer Brand: Metav IndustryLine Measuring range: 275–300 mm Length: 145 mm Reading: 0.005 mm Accuracy: ±0.007 mm Self‑centring three‑point head Interchangeable measuring insert Carbide measuring faces Analogue instrument Suitable for blind bores FAQ What bores is this micrometer intended for? The three‑point internal micrometer MS908.670 is designed for blind‑hole measurement and is optimised for bores within the 275–300 mm range. How precise is the measurement result? The instrument provides a resolution of 0.005 mm and an accuracy of ±0.007 mm, allowing dependable readings for workshop inspection and process control. Can the measuring contacts be replaced? Yes. The device features an interchangeable measuring insert system so contacts can be swapped to suit different bore conditions or renewed after wear. Are the measuring faces durable for high batch usage? The micrometer is fitted with carbide measuring faces, offering wear resistance and long service life under repetitive measurement cycles. Who manufactures the instrument and what is the model reference? The product is supplied under Metav IndustryLine as the three‑point internal micrometer MS908.670 and is distributed by Metav Werkzeuge. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €1,445.00
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40-50mm Three-Point Internal Micrometer Self-Centring, Precision 0.005mm, Supplied in Case - Metav IndustryLine
40-50mm Three-Point Internal Micrometer Self-Centring, Precision 0.005mm, Supplied in Case - Metav IndustryLine

Benefit from the combination of self‑centring three‑point contact, 0.005 mm accuracy and carbide measuring faces to secure reproducible blind‑hole measurements; order the MS908.658 directly via Metav Werkzeuge or consult our specialists for application advice. Three‑point internal micrometer MS908.658 — self‑centring, 40–50 mm range (Metav IndustryLine) The Three‑point internal micrometer MS908.658 is a self‑centring, analogue instrument intended for precision measurement of blind holes and internal bores in small to medium components, offering a compact solution for fine mechanical and toolmaking tasks. Self‑centring three‑point measurement High precision: 0.005 mm accuracy Carbide measuring faces for durability Measuring range 40–50 mm for blind holes Reliable accuracy for critical fits and assemblies The MS908.658 delivers a resolution of 0.005 mm with a matching accuracy of 0.005 mm, providing measurable repeatability for tolerance‑sensitive internal features. The finely graduated analogue scale suits production and workshop environments where a tactile, immediate reading is preferred over electronic systems. This level of precision reduces rework and inspection time by supplying a clear, verifiable measurement result that supports quality control routines and efficient process decisions. Compact, micro‑range design that reduces handling error Classified in the micro range (max. 10–100 mm), the instrument’s 40–50 mm span targets finely detailed components such as small housings, inserts and precision sleeves. The self‑centring mechanism with three‑point contact automatically aligns the measuring faces within a bore, lowering sensitivity to off‑axis entry and operator variance. The compact form factor and balanced length make single‑handed operation straightforward, improving throughput where frequent in‑process checks are required. Durable measuring faces for long‑term repeatability Equipped with carbide (hardmetal) measuring faces, the micrometer resists wear and maintains measurement integrity across extended use. Carbide tips provide a hard, stable contact surface that minimises surface damage to workpieces while preserving repeatable reference points. For workshops seeking a robust, low‑maintenance gauge, this construction ensures a consistent lifecycle performance and contributes to lower total cost of ownership over time. Practical handling, calibration and typical applications The instrument is analogue and supplied with a setting ring at 40 mm to simplify zeroing and quick verification before series checks. Its total length of 97 mm facilitates access to compact bores while keeping the device rigid during measurement. Typical applications include blind‑hole inspection in toolmaking, component verification in precision engineering and quick fit checks in assembly processes. For specification matching and integration into inspection routines, Metav’s product consultants can assist with selection and measuring technique recommendations. Choose the Metav IndustryLine MS908.658 for reproducible blind‑hole measurement and contact Metav Werkzeuge in Emmerich for tailored technical advice: info@metav-werkzeuge.com / +49 2822 7131930 Technical data Article number: MS908.658 Type: Three‑point internal micrometer Brand: Metav IndustryLine Measuring range: 40–50 mm Resolution / reading: 0.005 mm Accuracy: 0.005 mm Operation: Analogue Setting ring: 40 Length: 97 mm Facts Measuring range: 40–50 mm Resolution: 0.005 mm Accuracy: ±0.005 mm Length: 97 mm Special features Self‑centring mechanism Three‑point contact for blind‑hole measurement Carbide (hardmetal) measuring faces Suited for fine mechanical and toolmaking applications Analogue scale for immediate readings FAQ What bore sizes can be measured with this instrument? The MS908.658 covers internal dimensions in the 40–50 mm range and is optimised for blind‑hole measurement within that span. How precise is the measurement capability? The instrument offers a resolution of 0.005 mm with an accuracy rated at 0.005 mm, suitable for many tolerance‑sensitive internal checks. Are the measuring faces wear‑resistant? Yes, the MS908.658 is fitted with carbide (hardmetal) measuring faces, which provide superior wear resistance and long‑term repeatability. Is this gauge suitable for production‑line checks? Its compact, analogue design and self‑centring three‑point system make the micrometer well suited to repetitive in‑process inspections and quick verification tasks. Does the micrometer require electronic data output? This model is analogue and does not include electronic data output; it is designed for direct, fast readings on the shop floor. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €294.00
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62-75mm Three-Point Internal Micrometer Self-Centring, 0.005mm Graduation, Supplied in Case - Metav IndustryLine
62-75mm Three-Point Internal Micrometer Self-Centring, 0.005mm Graduation, Supplied in Case - Metav IndustryLine

Benefit from the self-centring design, carbide measuring faces and ±0.005 mm accuracy to secure reproducible internal measurements in compact assemblies; order the three-point internal micrometer directly via Metav Werkzeuge or consult our specialists for technical guidance. Three-point internal micrometer MS908.660 — self-centring, 62–75 mm range A compact, analogue three-point internal micrometer designed for precise internal diameter checks in confined bores and fine-mechanical work. Self-centring three-point mechanism Measuring range 62–75 mm High accuracy ±0.005 mm Carbide measuring faces, analogue Precision where access is restricted The three-point internal micrometer is engineered for accurate measurements in confined spaces. Its self-centring mechanism ensures the measuring anvils align centrally within a bore, reducing operator-induced eccentricity and improving repeatability. With a readout resolution of 0.005 mm and a verified accuracy of ±0.005 mm, the instrument provides a reliable basis for quality control tasks where small deviations matter. The compact profile and 114 mm body length make this instrument particularly suitable for short, deep bores and components that cannot be accessed with larger gauges, offering precision without the need for complex fixturing. Durable construction for consistent results Built with carbide measuring faces, the instrument resists wear and maintains a stable contact geometry over extended use, which preserves measurement integrity in production environments. The analogue mechanism is robust and free of electronics, making it uncomplicated to operate in workshop conditions where durability is paramount. The combination of hardened contact surfaces and mechanical simplicity translates into low maintenance and consistent performance during repetitive checking routines, supporting efficient inspection workflows on the shop floor. Practical handling and typical applications Designed for ease of use in inspection and assembly, the instrument delivers fast, reliable readings for internal diameters between 62 and 75 mm. Its three-point contact is particularly effective for detecting form deviations and average bore sizes without additional adapters. Typical applications include component verification in machining, maintenance checks on housings and bearings, and quality assurance in small-batch production. The analogue format permits immediate interpretation of results, while the instrument’s geometry supports measurements that would be difficult with external gauges or callipers. Contact Metav Werkzeuge today for tailored advice and to arrange supply of the Metav IndustryLine three-point internal micrometer MS908.660 via Metav Werkzeuge GmbH; technical consultants are available at info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: MS908.660 Brand: Metav IndustryLine Type: Analogue three-point internal micrometer Measuring range: 62–75 mm Readout: 0.005 mm Accuracy: ±0.005 mm Body length: 114 mm Self-centring mechanism Carbide measuring faces Suitable for blind-hole measurement Analogue (mechanical) operation FAQ How accurate is the three-point internal micrometer for routine inspection? The MS908.660 delivers an accuracy of ±0.005 mm, making it suitable for routine precision checks and quality control where sub-hundredth-millimetre repeatability is required. Can the instrument be used in blind or recess bores? Yes, the design is intended for confined and blind-hole measurements; the three-point contact provides reliable central alignment inside such bores. What maintenance is required to preserve measurement accuracy? Regular cleaning of contact surfaces and occasional verification on a calibrated reference ring are recommended to maintain the micrometer’s performance; the carbide measuring faces reduce wear and extend intervals between checks. Is the readout mechanical or electronic? This is an analogue instrument with a mechanical readout at 0.005 mm resolution, favouring robustness in workshop settings without relying on electronics. Which environments and applications suit this instrument best? The three-point internal micrometer is ideal for machine shops, maintenance workshops and inspection benches where compact, repeatable internal measurements are needed across small to medium-sized components. Metav IndustryLine: Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com

Variants from €163.00
Regular price: €333.00
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Understanding the Measurement Accuracy of a Micrometer (Bügelmessschraube)

A micrometer is a precision measuring instrument used to determine external dimensions such as the diameter of shafts, bolts, and similar components. For beginners, it is important to know that micrometers are designed for high measurement accuracy and reliable repeatability. The device consists of a fixed and a movable measuring face, adjusted via a spindle and a friction ratchet. Reading the scale on the sleeve and thimble gives the measured value, and the mechanism inside—typically a threaded spindle—translates rotational movement into linear displacement.

How a Micrometer Achieves Its Accuracy

Micrometers reach their precision through the combination of a fine-pitched spindle and a graduated thimble. In many standard models the spindle pitch is 0.5 mm and the thimble is divided into 50 graduations. Turning the thimble by one graduation moves the spindle by 0.01 mm (0.5 mm / 50), which defines the typical reading resolution of a common micrometer. More advanced instruments such as those from the leading brands offer even finer resolution. For example, some high-precision models can measure down to 0.0001 mm, enabling extremely fine dimensional checks for demanding applications.

When and Why You Need This Level of Precision

You need a micrometer when component tolerances are tight and visual or less precise measuring tools are insufficient. Applications include metalworking, tool and mold making, and precision engineering. A micrometer provides:

  • reliable measurement of outside diameters and thicknesses;
  • repeatable results when used correctly;
  • confidence in quality control for parts that must meet strict specifications.

Using the ratchet ensures constant measuring force, which minimizes operator-induced variation and improves reproducibility. That consistency is critical when measuring components that will be assembled or that must interface with other precision parts.

Practical Information for Beginners on Reading and Using the Tool

Begin by closing the measuring faces gently using the ratchet until it clicks, then read the scale:

  • Read the sleeve for whole millimetres and half-millimetre marks.
  • Read the thimble for hundredths of a millimetre.
  • Combine sleeve and thimble readings to obtain the final value.

Practice is needed to interpret the scales quickly and correctly. Understanding the internal principle—a threaded spindle moving the thimble by a defined amount per rotation—helps to appreciate why micrometers deliver such fine resolution.

Typical Accuracy Classes and What They Mean for You

Standard hand micrometers commonly offer an accuracy or resolution of 0.01 mm for easy everyday tasks. Precision micrometers and specialized instruments can reach 0.001 mm or better for more stringent quality control. At the very high end, certain instruments are capable of measurements down to 0.0001 mm, suitable for ultra-precision metrology and laboratory work. Choosing the right class depends on the tolerance requirements of your parts and the industry standards you must meet.

Key Features That Define a Micrometer’s Performance

  • Measurement Accuracy: The smallest increment you can reliably read—commonly 0.01 mm, with precision models down to 0.001 mm or 0.0001 mm.
  • Measuring Range: The span of dimensions the micrometer can measure, typically in step increments (e.g., 0–25 mm, 25–50 mm).
  • Build and Ergonomics: Quality frames, stable anvils, and a smooth ratchet improve consistency of results.
  • Comparison to Other Tools: Compared with calipers, micrometers usually offer higher accuracy for external measurements but are limited to smaller measuring ranges and single-dimension checks.

Leading Manufacturers and Notable Producers

In the field of micrometers and precision measuring instruments, established names are associated with quality and innovation. Recognised competitors in the market include brands such as Mitutoyo, INSIZE, Mahr, and Atorn. Among outstanding manufacturers are Metav IndustryLine and Microtech Metrology, which are known for producing reliable instruments and precision solutions. These producers offer a range of micrometers from robust workshop tools to high-precision devices that meet demanding industry needs.

Quick Summary Answer to the Question

The measurement accuracy of a micrometer typically ranges from 0.01 mm for standard hand micrometers to 0.001 mm or 0.0001 mm for precision and high-end instruments.

Final Key Takeaways

In short, a micrometer is indispensable when you require precise external measurements: it serves to measure diameters and thicknesses, operates via a threaded spindle and ratchet for consistent force, and is available in accuracy classes suitable for general workshop use up to ultra-precision metrology. Choose the instrument accuracy according to your component tolerances and industry requirements to ensure reliable and repeatable measurement results.

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