Metrol

What Metrol does

Metrol Co., Ltd. is a Japanese precision positioning sensor manufacturer founded in 1977 and headquartered in Tachikawa, Tokyo. The company specializes in contact-style point-contact switches — including high-precision touch switches, tool setters, touch probes, and air micro sensors — that achieve repetition accuracy of ±0.5μm to ±10μm without electronic amplifiers. This purely mechanical sensing architecture eliminates temperature drift and hysteresis (differential), differentiating Metrol from conventional limit switches, proximity sensors, and microswitches, which cannot reliably detect sub-millimeter movements. The product portfolio spans 16+ active product series covering precision positioning, tool length measurement, work origin setting, dimensional inspection, gap/seat confirmation, and tool breakage detection, with specialized variants for harsh environments (IP67), high-vacuum semiconductor applications (GN series), and high-temperature molding (HT series up to 200°C). Metrol offers over 10,000 customization combinations plus custom OEM design services.

Metrol operates a dual-channel business model: direct and made-to-order hardware sales of catalog and custom-specified sensors (priced ¥2,829–¥4,450+ per unit for standard products, with 2–3 week lead times for catalog and 3–6 weeks for specials), complemented by sample lending and repair services. Revenue is generated through (1) a dense Japanese dealer network of 50+ authorized sales trading companies, (2) B2B e-commerce on Misumi VONA and Monotaro, (3) wholly-owned Metrol Shanghai Trading subsidiary in China, and (4) exclusive regional distributors in Taiwan (YAMAZEN), South Korea (TOHOKOREA), and direct overseas e-commerce sites localized in nine languages. Customers span 12,000+ companies across 80+ countries, primarily CNC machine tool OEMs (200+ design-ins), factory automation end-users in automotive, precision machining, die/mold, semiconductor, and medical device industries.

The company employs 101–250 people and is led by President Matsuhashi Takuji. Strategic positioning emphasizes technical content marketing (monthly Engineer's Ally email magazine, technical guides, exhibition presence at 20+ shows annually including JIMTOF, M-Tech, and IMTS), engineering-grade customization, and Industry 4.0 readiness through the 2025 LK-DPA IO-Link compatible air gap sensor. The company has received the Tokyo Venture Technology Award (2015), Tama Blue Award (2010), and the Monozukuri Japan Award Excellence Award (2026), and was awarded ¥67M in NEDO grant funding in 2020 for fully automated NC surface grinding machine co-development with Okamoto Workholding.

Name

Metrol

Legal name

株式会社メトロール

Website

https://metrol.co.jp

Company type

Private

Founded year

1977

Operating status

Operating

Headcount range

101–250 employees

Short description

Metrol is a Japanese precision positioning sensor manufacturer (founded 1977) producing mechanical contact-style touch switches, tool setters, touch probes, and air micro sensors with ±0.5μm repeatability for CNC machine tool OEMs and factory automation end-users across 80+ countries.

Ownership category

akta.pro rank

Product category

Precision Positioning Sensors / Industrial Automation Sensors

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Other Measuring and Controlling Device Manufacturing (334519)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Metrology, Inspection & Machine Tool Accessories (CMMs, Probing, Gauging) (IMAHADAK)

akta.pro secondary industries

Metrology & Dimensional Measurement (CMMs, laser trackers, gauges, surface/roughness) (IMAGAFAD), Industrial Quality Inspection & Metrology (Machine Vision) (IMAIAMAF), Condition Monitoring & Predictive Maintenance Instrumentation (Vibration/ultrasound, oil analysis sensors, IIoT monitoring) (IMAGAFAG)

Keywords

• Precision positioning sensors
• Touch switches
• Tool setters
• Touch probes
• Factory automation sensors

Headquarters

HQ city

Tachikawa

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. Precision Positioning Sensors: Metrol generates revenue primarily from manufacturing and selling precision positioning sensors including touch switches, tool setters, touch probes, and air micro sensors. Products are sold through authorized sales trading companies (resellers) in Japan and direct/distributor channels internationally. Products are made-to-order with standard catalog items taking 2-3 weeks and special specifications taking 3-6 weeks after order. Single-unit purchases are available.
2. Sample/Lending Services: Evaluation sample lending is available for certain product types to support customer purchase decisions.

Pricing tiers

Go-to-market motion3 records

Distribution channels7 records

Marketing channels7 records

Core offering

Metrol designs, manufactures, and sells precision positioning sensors — primarily contact-type touch switches, CNC tool setters, touch probes, and air micro/air gap sensors — that detect sub-millimeter movements with 0.5–10 µm repeatability for use in machine tools, factory automation equipment, robots, and process machinery. The company supports its sensors with technical consultation, custom specifications, OEM design services, sample lending, and free engineering catalogs for machine tool builders and factory automation end-users worldwide.

Product overview

Metrol is a precision positioning sensor manufacturer offering four main product lines: Touch Switches (positioning sensors including MT, PT, CS, BP, SP, STM, HT, GN series), Tool Setters (for CNC machining centers and lathes - T, H, TM series), Touch Probes (K3S wired and RC-K3X wireless series), and Air Gap Sensors (DPA and LK-DPA IO-Link compatible series). The product portfolio covers precision positioning, tool measurement, workpiece measurement, and gap/seat confirmation applications. Products achieve micron-level precision (0.5μm-10μm repeatability) and feature extensive customization options with over 10,000 possible combinations. Metrol serves global manufacturers in automotive, semiconductor, and industrial machinery sectors across 80 countries.

Differentiator

Problem solved

Functional benefit

Brands

• TOOLSENSOR.COM: Overseas direct sales website for Metrol precision sensors

Products and services

• Touch Switches (Positioning Switches) Contact-type high-precision touch switches (MT, PT, CS, STM, SP, BP, HT, GN series) used for positioning in jigs, robots, and machine tools. MT series achieves ±0.5 µm repeatability without electronic amplifiers; PT series is the world's smallest class with M5 outer diameter; HT operates up to 200°C; GN is high-vacuum compatible.
• Tool Setters CNC machine tool tool setters (T Series for machining centers, H Series for lathes, DFM for drill bit breakage detection, RC-P10DX wireless) used for tool length measurement, thermal displacement correction, and tool breakage detection with 1 µm repeatability.
• Touch Probes Wired compact touch probes (K3S Series) and wireless ultra-compact touch probes (RC-K3X Series) for CNC lathes, machining centers, and robots, enabling work origin setting and dimensional measurement within the machine.
• DPA Series Air Micro / Air Gap Sensors Pneumatic air micro sensors for gap/seating confirmation that detect ±0.5 µm gaps using air pressure changes, used for workpiece seating confirmation, tire mold gap detection, and grinding wheel positioning applications.
• LK-DPA Series IO-Link Compatible Air Gap Sensor IO-Link compatible air gap sensor enabling numerical output and data logging, supporting up to 8 threshold settings for traceability and predictive maintenance applications in Industry 4.0 environments.
• RC-P10DX Wireless Position Detection Touch Switch Wireless position detection touch switch using 2.4GHz FSK communication, enabling in-machine measurement on turret lathes and 5-axis machines where wiring is difficult, with 1 µm repeatability and auto-channel selection for noise resistance.

Quantifiable outcome

• Dress positioning time reduced to 1/7th on double-head surface grinding machines using air micro sensors for automated coordinate correction
• +5 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Six partnerships are on record, tiered core, major and regional.

• 株式会社岡本工作機械 (Okamoto Workholding K.K.)coreStrategic or Co-development PartnerStrategic co-development partnership for fully automated NC surface grinding machines. Metrol's air micro sensors are integrated into Okamoto's NC surface grinding machines to automate the manual grinding wheel positioning process. Selected for NEDO's 'Strategic Energy Conservation Technology Innovation Program' in FY2020 with approximately ¥67 million in joint R&D funding. The project aims to achieve complete automation of grinding setup, eliminating skilled labor requirements.
• Misumi Group Inc. (ミスミ)majorChannel Partner/ Reseller/ DistributorMisumi's VONA e-commerce platform serves as a primary B2B online sales channel for Metrol products, enabling single-unit purchases and fast delivery for engineers and small manufacturers.
• Monotaro (モノタロウ)majorChannel Partner/ Reseller/ DistributorMonotaro B2B e-commerce platform distributes Metrol products alongside industrial supplies, serving factory automation buyers and maintenance engineers.
• 山善股份有限公司 / YAMAZEN Taiwan (台湾総代理店)regionalChannel Partner/ Reseller/ DistributorYAMAZEN Group Taiwan serves as the exclusive general distributor for Metrol products in Taiwan, handling local sales, distribution, and customer support.
• TOHOKOREA CO., LTD. (韓国総代理店)regionalChannel Partner/ Reseller/ DistributorTOHOKOREA serves as the exclusive general distributor for Metrol products in South Korea, handling local sales and distribution.
• 美得龙（上海）贸易有限公司 / Metrol Shanghai Trading Co., Ltd.coreChannel Partner/ Reseller/ DistributorWholly-owned Chinese sales subsidiary handling direct sales and distribution of Metrol products throughout China. Represents Metrol's primary presence in the world's largest manufacturing market.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Renishaw: UK-based global leader in touch probes, tool setters, and machine tool metrology. Direct competitor to Metrol's K3S touch probes and T/H series tool setters, serving the same CNC machine tool OEM and end-user customer base with comparable product categories.
• Marposs: Italian-headquartered global leader in precision metrology for machine tools and manufacturing, offering touch probes, tool setters, and gauging equipment. Directly comparable product portfolio and customer segments to Metrol, with broader scale and broader industrial reach.
• Heidenhain: German manufacturer of precision measurement systems including linear encoders, touch probes, and tool setters for CNC machine tools. Overlaps with Metrol in the precision positioning sensor category, particularly for high-end CNC machine tool OEMs.
• Magnescale (Magnesensor Technologies): Japanese specialist in position measurement systems including magnetic scales and precision positioning sensors. Comparable Japanese-headquartered competitor focused on machine tool position measurement, serving overlapping OEM customers.
• Blum-Novotest: German specialist in machine tool measuring systems including touch probes, tool setters, and laser-based inspection. Closest direct competitor to Metrol in the machine tool precision positioning and inspection niche, particularly in European markets.

Broad incumbents

• Keyence: Japanese global sensor and automation giant offering proximity sensors, laser displacement sensors, and machine vision systems. Overlaps with Metrol in industrial positioning and detection applications but competes primarily through different (electronic/optical) sensing technologies and serves a much broader customer base.
• SICK AG: German industrial sensor manufacturer specializing in factory, logistics, and process automation sensors. Adjacent peer in industrial position and detection sensing with comparable global reach but a much broader sensor portfolio.
• Balluff: German industrial sensor manufacturer offering proximity, position, and IO-Link sensors for factory automation. Comparable in industrial positioning sensor category but operates across a much broader sensor portfolio and larger scale than Metrol.
• Mitutoyo: Japanese global leader in precision measurement instruments including calipers, micrometers, CMMs, and vision measurement systems. Comparable to Metrol in precision measurement heritage and Japanese manufacturing customer base, but operates at significantly larger scale with broader product breadth.
• Omron Corporation: Japanese industrial automation and sensor giant offering proximity sensors, vision systems, and FA components. Comparable Japanese competitor in factory automation sensing, with broader product portfolio and significantly larger scale than Metrol.

Market position

Strengths5 records

Weaknesses3 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/metrol_switch
• Facebookfacebook.com/metrol.jp
• Instagraminstagram.com/metrol_cncsensors/?hl=ja
• LinkedInlinkedin.com/company/metrol-jp

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Metrol