RPKnews
Automated Assembly Line for a High-Value Automotive Component
How RPK Group Designed and Built a Fully Custom Automated Line for One of the World’s Leading Automotive OEMs
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Achieving Extreme Tolerances in Spring Manufacturing: A Challenge in Advanced Engineering
Many companies face a common obstacle: the scarcity of suppliers capable of guaranteeing extreme tolerances in the manufacturing of springs and metal components.
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Strengthening Innovation Together: RPK Group’s Technology Collaboration with Danfoss in Chennai
RPK India showcases advanced manufacturing expertise and fosters long-term collaboration with Danfoss
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Multislide vs. Fourslide: Choosing the Right Metal Forming Technology for Complex Parts
Multislide offers unmatched flexibility, repeatability, and efficiency for high-volume, complex metal part manufacturing
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RPK Group Showcases High-Value Automotive Solutions at Auto Components Show 2025 India
Visit us at Booth #B48 in Chennai to explore advanced springs and metal-formed components for powertrain, brakes, chassis, eMobility, and more
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Case Study: RPK Group & Leartiker, joint innovation in advanced Bus Bars for E-Mobility
Overmolding and polymer welding technologies enabling a more efficient electric mobility
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Why 100% Unitary Control Is a Must in Critical Applications
When zero defects are the only acceptable outcome, in-house control technology becomes your best ally.
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RPK Group rewards social transformation through technology at Ekin Day 2025
The “Hackea el futuro” (Hack the Future) project receives the RPK Special Award for Social Business Transformation at Álava Emprende.
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Case Study: High-Reliability Silver Contact Spring for Integrated Brake Control (IBC)
Precision manufacturing for critical braking applications
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Gasori's New Website: A Digital Leap Forward in Industrial Subcontracting
RPK Group celebrates the launch of Gasori's renewed digital platform, enhancing its commitment to innovation and customer service
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Overmolding: Added Value for Metal Components
At RPK Group, overmolding integrates metal parts and technical plastics into high-precision subassemblies ready for final assembly
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Sheet Metal Bending and Stamping: Precision Formed Solutions for High-Performance Demands
RPK Group delivers high-performance stamped-bent parts for dynamic and contact applications across the automotive, medical, industrial, and electrical sectors.
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Batera: A Cooperative Alliance is Born to Drive a Sustainable Future in Álava
RPK Group and five other industrial cooperatives from Álava launch the Batera initiative and unveil its new website: baterakoop.eus
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Clock Spring: Precision and Control in Mechanical Applications
The clock spring is a spiral-shaped spring that precisely stores and releases energy. It enables controlled movements in compact spaces with high durability. It is used in automotive, medical, and aerospace sectors due to its reliability.
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Download the RPK Group General Catalog
Explore all our capabilities, solutions, and technologies in one comprehensive document
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Canted coil springs: precision, reliability, and performance
Beveled contact springs are essential components that ensure reliable electrical and mechanical connections in demanding environments. Their design, featuring inclined coils and flattened edges, enhances conductivity, sealing, and durability.
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At RPK Group, we are driving our new Social Transformation Plan
A renewed commitment to our community and cooperative
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Automotive Springs: Innovation, Precision, and Performance for the Automotive Industry
RPK Group manufactures high-precision springs for the automotive industry, essential in transmission, braking, suspension, and injection systems
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Case Study: Engineering and Industrialization of Optimized Contact Spring Design for Automotive Lighting
RPK Group integrates FEM/FEA analysis, advanced materials, high-precision tooling, and cleanroom technology to optimize the performance and integration of contact springs in automotive PCB assemblies.
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Small extension springs: compact solutions for big challenges
Small extension springs are essential in applications with limited space, as they provide precise and durable return force. They are versatile, accurate, and resistant—ideal for medical devices, electronics, automotive components, and more.
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Busbar: efficiency and safety for electric vehicles
As electric vehicles (EVs) become the norm, the design of their internal electrical systems continues to evolve to meet increasing demands for performance, safety, and efficiency.
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RPK India Receives A+ Grade for Excellence from Gabriel India
Recognized for Outstanding Quality and On-Time Delivery
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Support program for business R&D – Hazitek 2024
We continue working to develop innovative and competitive projects.
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Assembly Lines: Added Value and Efficiency in Precision Spring and Component Manufacturing
RPK Group develops advanced assembly lines that integrate springs, metal, and plastic parts into ready-to-use subassemblies
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Suspension springs: comfort, control, and safety on every drive
Suspension springs and rebound dampers ensure driving comfort, stability, and safety. Both absorb impacts and protect the system from extreme stress. At RPK Group, we manufacture high-performance springs for the automotive industry.
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RPK India at Bharat Mobility Expo in Delhi
Strengthening Connections in India's Automotive Market
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Tension springs: precise force for demanding applications
Tension springs store energy when stretched and provide a precise return force, making them ideal for demanding industrial applications. They are used in automatic doors, brakes, household appliances, and more, thanks to their durability and customization options.
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International Year of Cooperatives 2025
At RPK Group, we celebrate the International Year of Cooperatives 2025, keeping people at the heart of everything we do.
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Industrial springs: perfect for modern machinery l RPK Group
Industrial springs are key components in modern machinery, essential for withstanding repetitive loads and movements. Though discreet, their failure can bring an entire production line to a halt.
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Celebrating 50 years of hard work and dedication
On December 13th, we celebrated RPK's 50th anniversary alongside our members and retirees.
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Brush springs: precision and contact in every turn
At RPK Group, we design and manufacture custom spring solutions for high-demand industries, including automotive, e-mobility, and medical devices.
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RPK Group Showcases EV Engineering Excellence in Webinar for ACICAE & BasqueTrade
Innovative solutions for the electric vehicle market take center stage in Iker Ibisate’s presentation.
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How to Choose the Ideal Retaining Spring for Your Project
The retaining spring secures parts in mechanical systems, ensuring stability and efficiency. Its selection depends on material, size, load type, and component compatibility.
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Elastic force of a spring: what it is and how to calculate it
The elastic force of a spring is the resistance it exerts when deformed, governed by Hooke’s Law. This force depends on the material, geometry, type of load, and working conditions.
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What Are the Different Types of Automotive Sensors?
Automotive sensors improve vehicle safety, efficiency and performance by collecting real-time data. They are essential for systems such as ADAS, which enable functions such as automatic braking or cruise control. RPK Group offers advanced solutions for their development.
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Case study: strengthen wave spring performance with CuBe material
Enhancing reliability and electrical conductivity with innovative material solutions and precision engineering
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RPK Medical at PDA Universe of Pre-Filled Syringes and Injection Devices Conference 2024
Join RPK Medical at the PDA Universe of Pre-Filled Syringes and Injection Devices Conference 2024, the premier event for injectable drug delivery solutions, on October 22-23 in Phoenix. Booth 1020.
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RPK Group Showcases Innovative Spring Technologies at 2024 Shanghai Automotive Chassis System Technology Exhibition
Highlighting our unique approach to advancing the brake and chassis industry
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RPK Group, Udapa, and Club Ciclista Zuyano Join Forces to Promote Women's Cycling
A project with Club Ciclista Zuyano gives young female cyclists from Álava, aged 14 to 16, a chance to compete in their home province, fostering women's sports and helping them balance education and athletics.
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RPK Group Recognized by Kooperatiben Kontseilua for Over 50 Years of Cooperative Leadership
RPK Group honored at the Euskalduna Palace alongside 33 Basque Cooperatives
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Spring restoring force In mechanical performance
The restoring force is key to a spring’s performance, as it allows it to return to its original shape after being deformed, in accordance with Hooke's Law. Factors such as material, geometry, and operating conditions directly influence its behavior.
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The vital role of springs in injectable medical devices
RPK Medical experts highlight the importance of spring mechanisms in autoinjectors and pen injectors in ONdrugDelivery Magazine
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RPK Group at 2024 SpringWorld in Chicago
Strengthening Supplier Relationships and Exploring New Opportunities
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Nested Wave Spring: Advantages and Industrial Applications
The nested wave spring is a compact, high-capacity spring that supports large loads in confined spaces, ideal for industries such as automotive, aerospace and precision machinery. Its multi-layer design distributes the load evenly, reduces vibration and extends system life.
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Flexible Bus Bars: The Efficient Solution for Power Transmission
It optimizes power distribution by offering efficiency, reduced heat, and space savings—ideal for electric vehicles and renewable energy.
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RPK Medical at Pharmapack 2025
Join RPK Medical at Pharmapack Europe 2025, the leading packaging and drug delivery, and medical device show in Europe, on January 24-25 in Paris, Booth K31.
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Enhancing the Welding of Flexible Copper Busbars with BrightLine Laser Technology
RPK Group incorporates TRUMPF's precision laser welding for efficient, high-quality results in electric vehicle power systems and many other applications
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The Spring Manufacturing Process at RPK: Quality and Precision at Every Step
RPK Group has over 50 years of experience in high-quality spring manufacturing
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RPK Medical feature in the USA Today
Special article featuring an interview with Eduardo Melón in USA Today's Business Focus
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What is a Spring and How It Drives Innovation in the Industry
Springs are key components in various industries whose manufacturing requires precision and expertise for critical applications.
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Discover RPK Medical, your partner in springs, stamping & bending, and assemblies for your medical devices
RPK Medical, a proud division of the globally recognized RPK Group, brings 50 years of expertise to the medical device sector.
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Small Compression Springs: How to Choose the Best One for Your Industry
Small compression springs are mechanical components designed to store and release energy through compression.
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RPK Group Showcases Innovations at Eurobike 2024
Our colleagues Álvaro García, Iñigo Fernández de la Peña and Jon de la Presa were in Frankfurt last week for Eurobike.
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Types of Compression Springs
Compression springs are essential in various industries, absorbing forces and storing energy.
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International Women in Engineering Day
Empowering women's careers in STEM is everyone's responsibility
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Enhance your application’s performance with Bus Bar prototyping
Creating the perfect bus bar: from engineering and prototyping to serial production.
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Celebrating our 50th anniversary together with family and friends at RPK Group
Over 650 people enjoyed a sunny morning with a visit to our facilities, children’s games, food, wine tastings, music, and gift giveaways.
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RPK Group Unveils Its Medical Device Division: RPK Medical
This new division has been created to exceed the high quality standards of OEM, contract manufacturers, and medical device engineers.
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Case Study: Pedal Travel Sensor for Braking System to optimize the precision
Collaborating with the Customer and brainstorming to come up with a solution together to integrate a sensor into a brake pedal.
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Types of Springs Manufactured
We manufacture various types of springs for industrial and commercial applications, such as compression springs, extension springs, torsion springs, constant force springs, and contact springs.
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RPK Group Showcases Cutting-Edge Solutions at Automotive Chassis and Brake System Technology Summit 2024 in Shanghai
Visit booth #21 at the summit to explore RPK Group’s latest innovations in brake and suspension technology and learn how we can help you achieve excellence.
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Spring Solutions for Powertrain by RPK Group
Over 50 Years of Excellence in Designing and Manufacturing Springs and Metal Components for the Powertrain
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RPK Group at the International Spring Industry Exhibition in Guangzhou
Our team in China is always alert to seeking new opportunities for innovation in the spring market.
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Versatility and Efficiency of Helical Springs in Modern Industry
Springs are fundamental devices in mechanical systems due to their ability to efficiently store and release energy
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Revolutionizing Automotive Engineering: RPK Group's Cutting-Edge Solutions for EV
Pioneering Prototyping and manufacturing for Electric, Hybrid, and Hydrogen Vehicles
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Innovation and Precision in Custom Springs: RPK Group at the Service of Global Industry
RPK Group, a leader in custom spring manufacturing for multiple industrial sectors
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Gasori Present at Intech by Trumpf 2024
Our colleagues Iñaki Gaskon and Sergio Loma were exploring the cutting-edge technologies of our partner Trumpf
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RPK Group at Wire Dusseldorf 2024
Twelve experts from the group are present to stay at the forefront of technology and materials
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Case Study: Custom Canted/Slant Coil Springs, Precision Engineering Solutions
Combining helicoidal compression springs and welding expertise for optimal power management and mechanical retention.
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RPK Group: pioneering dynamic parts for the automotive industry
From bending to stamping: customized solutions with global reach
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RPK Group supports Baskonia and Deportivo Alavés
RPK Group will support Baskonia and Deportivo Alavés with advertising spaces at the Buesa Arena and Mendizorroza throughout 2024.
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Flat washers or rings: functionality and precision for your Assemblies
Flat washers are key components in mechanical assemblies, distributing load, preventing damage, and ensuring precise alignment. Though they may seem simple, choosing the wrong one can lead to failures.
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World Obesity Day: Springs and metal components to combat this epidemic
At RPK Group, we offer engineering, design, and industrialization of key components for autoinjectors
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Gasori: 40 years as a pioneer in industrial subcontracting in Spain
From manufacturing stoves in 1984 to becoming a technological reference
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RPK Group joins the Basque Health Cluster
This marks a significant step in our 2023-2026 Strategic Plan to strengthen our approach to the medical industry
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Case study: Quad Clip Challenge, a reverse engineering success in brake system innovation
Discover the exceptional skill of RPK Group in designing a revolutionary four-function brake solution in free-state mode
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Support program for business R&D – Hazitek
We continue working to develop innovative and competitive projects.
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RPK Group eBike solutions
Your ideal partner for springs and stamping to achieve peak performance in eBikes
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RPK Group at IMEWest Anaheim 2024
We will attend the biggest advanced manufacturing event in the US. Visit us at the booth 3539
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RPK Group at Pharmapack Paris 2024
We will attend Europe's leading packaging and drug delivery event on January 24-25
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Merry Christmas and a Happy New Year!
Zorionak eta Urte Berri On! In other words, we wish you a Merry Christmas and a Happy New Year!
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Committed to Cyclocross and Women's Sports
From our Equality Committee, we drive women's cyclocross by supporting young athletes in the Ametzaga Cyclocross.
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RPK Group, metal components, bus bars, and springs for hydrogen vehicles
Pioneering Hydrogen Solutions for a Sustainable Tomorrow
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RPK Group achieves DNSH accreditation for electric vehicle bus bar projects
This achievement highlights our commitment to sustainability, environmental protection, and resource optimization.
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Case study: benefits of a Wave Spring vs Compression Coil Spring in a shock absorber valve
Why did we design a wave spring over a compression coil spring to solve issues due to limited space and lateral loads?
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Key facts of working with Contract Manufacturers in the medical device sector
RPK Group's Local-to-Local Precision Solutions for Medical Devices and Pharmaceuticals
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RPK Group at CPHI Barcelona 2024
We will attend the biggest pharma and medical device event on October 25
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Honoring a legacy means more than looking to the past; It's about creating a new future
For 8 Sundays over the next year, we will celebrate our 50th anniversary, crafting our own Rioja Alavesa wine
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RPK Group at BIOMEDevice Boston & Medical Technology Ireland
We will be at two of the most important medical devices trade shows on September 20-21
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RPK Tarragona celebrates 60 Years of excellence in stamping
A remarkable anniversary gathering featuring paddle tennis, fideuá, and togetherness!
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RPK Group Mexico wins GM Supplier Quality Excellence Award
General Motors recognize RPK Group for exceeding the stringent set of quality performance criteria throughout the year
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RPK Group celebrates heritage with captivating artwork as the Tour sets off
Honoring the Past, Embracing the Present, and Inspiring the Future: Tour de France Kickoff in Euskadi
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Your Ideal Partner for Needle-Free Injection Solutions
Revolutionizing Needle-Free Injections: Partner with RPK Group for unparalleled solutions
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Celebrating International Women in Engineering Day!
At RPK Group, we proudly celebrate our talented female engineers, working together to create a more inclusive and diverse industry.
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RPK Group, Certified Quality
RPK S. Coop. was audited by AENOR last July for the UNE EN ISO14001:2015 standard.
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Empowering Self-Consumption with Solar Energy
RPK Group is betting on solar energy with the aim of becoming more efficient and environmentally friendly with the help of European funds.
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RPK Group supports young talent at Euskelec (100% electric vehicle competition)
We have collaborated with Mendizabala and Don Bosco students in the Euskelec 100% electric competition. Mendizabala won the competition and Don Bosco was the fastest.
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Celebrating Sustainability: RPK Group receives Schaeffler Supplier Award
RPK Group has been honored with the Schaeffler Supplier Award 2023 for our outstanding commitment to sustainability.
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RPK Group we are part of Robotekin
Robotekin, Basque Robotics and Automation Association, is born with the collaboration of 30 founding members, including RPK Group
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RPK Group, committed and more sustainable
RPK Group acquires a new compressor and changes all the lighting in the HQs to be more energy efficient
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Seven projects helping to build a better world
At RPK Group we support all our colleagues who carry out social initiatives in their free time.
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RPK Group with Matxingo 19
Rpk has collaborated with Don Bosco and a group of high-grade students in automation in their “MatxinGO” vehicle.
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Stanley rewards RPK's Quality
Stanley selected rpk as superior performace quality award 2018. 0 PPM’s during last 5 years
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