FLEX - Our premium partner
Always keep going, show full commitment, celebrate success: That's what motivates not only our customers, but also FLEX every day.
With passion and a spirit of innovation, FLEX creates power tools and services that deliver exactly what real professionals need: powerful technology, clever solutions and a system that fits. For results that you are proud of - day after day, application after application.
FLEX stands for future-oriented technologies and user-oriented development - for new ideas that arise from dialogue with craftsmen and specialist dealers. This is how we develop power tools that are precisely tailored to the requirements of the refurbishment, renovation, modernisation, metalworking and automotive/polishing sectors.
The range extends from powerful 12 and 18-volt cordless tools to robust mains-operated machines and perfectly matching accessories. Whether light or heavy duty - with the latest brushless technology, maximum endurance and uncompromising performance.
FLEX also means: partnership-based service with a close connection to specialised dealers. This includes an in-house repair service, comprehensive services including a 3-year warranty and digital tools that make everyday work easier - both nationally and internationally.
By professionals for professionals. With unbeatable performance. You ‘re not a performer. You are a proformer.
FLEX – this is proformance.
What added value does buying FLEX products through Keller & Kalmbach offer?
FLEX stands for high-performance power tools, developed for the highest demands in professional trades. The close partnership with Keller & Kalmbach enables direct access to innovative machines and system solutions, combined with strong service and advice. The extensive product range includes cordless and mains-powered tools, tailored to applications in areas such as metalworking, automotive, construction and renovation.
With the guiding principle ‘this is performance’, FLEX emphasises its claim to combine professional performance with innovative design - for tools that significantly simplify and improve the day-to-day work of professionals. Distribution via Keller & Kalmbach ensures reliable availability and combines product expertise with a comprehensive service promise - from professional application advice to customised procurement solutions.
FLEX focus topics
Whether light duty or heavy duty, 12 V or 18 V battery system, with FLEX battery technology you are perfectly equipped on every construction site and in every workshop. Work at any site with maximum power and performance - this is only possible with the XLITHIUM POWER FLEX battery range. Innovative products in a battery system developed for continuous use - real performance for real performers!
Heavy Duty cordless tools for professionals
18 V cordless system: heavy-duty cordless tools for professionals Durable, compact and with mega power, the 18 V cordless system from FLEX with Therma-Tech™ XLITHIUM POWER is impressive. Designed for the toughest applications on construction sites and workshops - cordless tools for real trade professionals. The 18 V cordless system is ideal for tradespeople from any trade who want to carry out powerful work easily and rely on maximum power.
Light duty cordless tools for light applications
The FLEX 12 V cordless system impresses with its lightweight and compact design while still offering you maximum power for your application. The 12 V cordless machines are ideal for light work or regular overhead work. You still have maximum flexibility, as you can use any cordless tool from the 12 V class with any FLEX 12 V battery. With the CA 12/18 quick charger, you can charge your 18 V batteries as well as the 12 V batteries.
FLEX power tools are synonymous with the highest quality and maximum reliability. That's why every product is intensively tested down to the last detail.
With the 3-year warranty, FLEX provides genuine all-round peace of mind free of charge for all power tools, Li-ion batteries, suitable chargers, and laser measuring devices.
This is how it works:
Simply register your machine within 30 days of purchase to enjoy the following benefits:
- An extended warranty period of up to three years
- Service certificate for warranty claims
It's a strong service for those who rely on their tools every day.
FLEX application areas
FLEX develops power tools tailored to the practical needs of modern construction sites. Whether it's preparing substrates, constructing drywalls or renovating, the focus is on practical solutions that make everyday work noticeably easier. Thanks to their ergonomic design, powerful system technology and effective dust extraction, FLEX tools ensure greater efficiency, cleaner working conditions and reliable results — from the first coat to the finished surface.
FLEX is renowned for its sophisticated metalworking solutions, which meet the exacting standards of professional users. Whether you need to cut, grind, polish or deburr, FLEX offers tools that impress with their ergonomics, performance and durability. Modular systems such as TRINOXFLEX allow various applications to be covered with a single basic motor, increasing efficiency and flexibility. With its extensive range of cordless and corded tools, FLEX enables metalworking professionals to realise their projects with precision and reliability.
FLEX offers system solutions that are specially tailored to the requirements of car detailing and care. From polishing and sanding to spot repair and finish sealing, FLEX tools enable you to work with maximum precision and control to achieve brilliant results. Their ergonomic design and coordinated range of accessories create ideal conditions for professional use in bodywork and paintwork. Whether you are a detailer, vehicle refurbisher or paint shop, FLEX provides quality that shines. Choose FLEX for automotive work that impresses.
FLEX develops powerful, durable power tools that are perfectly matched to mineral materials and fulfil the special requirements of stone processing. Whether you are grinding, bevelling, cutting or polishing wet or dry, FLEX tools enable you to work safely and cleanly with maximum control. Thanks to its sophisticated technology, coordinated accessories and practical solutions, FLEX is the ideal partner for professionals working with natural stone, artificial stone and ceramics.
Taking responsibility and making an impact.
FLEX wants to generate a positive impact on our society and the environment. The company focuses in particular on the safety and health of users, the sustainable use of resources and the mitigation of climate change.
he aim is to develop safe, healthy and durable power tools and related products. With these measures, FLEX not only wants to positively influence users, their social environment, society and the environment, but also be successful as a company in the long term.
For FLEX, sustainability is not a trend, but a corporate responsibility - firmly anchored in product development, service and day-to-day operations.
You would like to get to know more premium partners of Keller & Kalmbach? Then click on the button below. If you are interested in becoming a Keller & Kalmbach Premium Partner yourself, please contact our product management team at the following e-mail address: produktmangement@keller-kalmbach.com
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Sales are only made to contractors, traders, freelance professionals and public institutions.
No sales are made to consumers in the sense of § 13 of the German Civil Code (BGB).