RPKnews
RPK Group unveils a new brand identity to shape its future
After 18 years of a visual identity that has accompanied our growth into a global leader in engineering and manufacturing custom springs and metal components, we are introducing a new brand identity that reflects our evolution, values, and future ambitions.
RPK Group joins ÁNIMA to advance humanoid robotics and Physical AI in Spain
RPK Group strengthens its position as an engineering and industrialization partner for high-precision metal components for next-gen robotic systems.
Case Study: EHCU repair solution cuts the customer´s warranty costs by 75%
When a quality issue affected the customer´s Electronic Hydraulic Control Units and the original production line no longer existed, RPK Group took ownership of the complete engineering scope: from validating the assembly concept to manufacturing all serial production machinery, with 100% 3D vision inspection and individual QR code traceability
RPK Group to exhibit at IZB 2026 in Wolfsburg
We will be in Wolfsburg from October 27 to 29, at the Basque automotive cluster's pavilion in Hall 6, Booth 6332, during Europe's main trade fair for automotive suppliers.
RPK Group expands its India plant to meet growing demand
2.000 square meter expansion, with a new fine stamping line, an ISO Class 7 cleaning facility, and more automation, strengthens our footprint in one of the world´s fastest-growing industrial markets.
RPK India recognized by Brakes India at the 2026 Supplier Meet
Certificate of Performance awarded in the forming category, recognizing RPK India's contribution and sustained partnership during 2025–2026
Canted Coil Springs for subsea and downhole connectors: reliable contact where failure is not an option
RPK Group engineers custom canted coil springs for wet-mate connectors, penetrators, and downhole tool strings, co-designed with the teams behind major subsea developments.
Precision springs and metal components for humanoid robotics
How RPK Group helps solve the reliability, dexterity, and supply-chain challenges that decide whether a humanoid robot reaches production.
RPK Group heads to EuroBLECH 2026 in Hannover
Visit us at Booth 27H161 to meet the engineers behind our precision components and see how we turn strip and sheet metal into them.
Micro Springs: Precision force in the age of miniaturization
RPK Group designs and manufactures custom micro springs engineered around your device to deliver reliable force in the smallest spaces, not pulled from a catalog.
Flexible Bus Bars: custom-engineered power connections for E-Mobility
Stressed system connections, vibration in the e-motor, tolerance problems, or oversized standard parts? RPK Group engineers flexible bus bars to meet your resistance, vibration, and thermal targets and builds them on dedicated automated lines.
Canted coil springs and garter springs: which one does your application need?
RPK Group designs and manufactures both spring types for the world's most demanding industries: medical, aerospace, oil & gas, electrical, and automotive. We help you choose the right solution and build it to spec.
Automotive Metal Stamped Parts | RPK Group
RPK Group engineers and manufactures precision stamped and bent metal parts for the world's leading automotive OEMs and Tier 1 suppliers; from safety-critical radar and braking systems to e-mobility platforms. IATF 16949 certified. Scalable from prototype to mass production.
RPK China strengthens its presence at key industry trade shows in 2026
A year of strategic events focused on automotive innovation, electrification, lightweighting, and advanced manufacturing.
Inconel Springs: Custom precision manufacturing for extreme environments
RPK Group engineers Inconel springs that perform where standard materials fail, across automotive, medical, e-mobility, oil & gas, and industrial applications worldwide.
RPK Group Welcomes 100 European Experts and Students in Advanced Manufacturing and Vocational Training
Participants from 24 countries visit RPK headquarters during the “Global Connection for Local Change” congress in Vitoria-Gasteiz
Constant Force Springs & Power Springs: steady Load, stored Energy, every Cycle
RPK Group engineers and manufactures custom Constant Force Springs and Power Springs for automotive, medical, industrial, and consumer applications, combining nearly 50 years of precision manufacturing expertise with a global supply chain.
RPK Group at Wire Düsseldorf 2026
12 experts from different RPK Group plants, divided into 2 distinct teams, will attend the world’s leading trade fair for the wire and cable industry
Wave Springs: the space-saving solution for demanding engineering applications
RPK Group engineers and manufactures custom wave springs for automotive, medical, industrial, and e-mobility applications, combining more than 50 years of expertise with a global manufacturing footprint
RPK Group drives innovation with applied artificial intelligence in business intelligence
The project is developed under the “Artificial Intelligence and Data Strategy 2024” support program, funded by European funds and administered by SPRI.
Garter Springs: consistent radial force for sealing and retention
What garter springs are, how they work, and why they matter in sealing and precision industrial uses
Spring co-design: a competitive advantage in the automotive industry
From the initial stages of development allows for optimizing their performance, reducing risks and avoiding failures, becoming a key competitive advantage in the automotive industry
RPK Group attends the Automotive Chassis Intelligentization, Electrification & Lightweighting Conference in Hefei
Jim Wu and Valerie Wang attended the event on behalf of RPK Group China, focusing on the future of automotive chassis technologies
Support program for business R&D – Hazitek 2025
Advancing industrial innovation with support from the Basque Government and the European Union
RPK Group engineering director Javier Gordo discusses robotics and automation with Robotekin
An overview of how our Technological Center supports innovation in spring and metal component manufacturing.
Case Study: engineering and industrialization of an accordion-type spring for a one-way roller clutch
At RPK Group, we combined FEM/FEA analysis, high-strength steel, and precise multislide tooling to create a high-performance accordion spring for a one-way roller clutch.
RPK Group achieves 100% renewable energy, cutting carbon footprint by 90%
We have reduced our carbon footprint by over 90% (Scopes 1 and 2) compared to 2024 and achieved a High Management rating on the CDP portal, thanks to a new renewable energy contract and solar panels
RPK India wins four Gold Awards at the 60th ACMA Excellence Awards
Recognition for export performance, supplier development, safety, and manufacturing excellence at India’s leading automotive components event
Regulatory compliance in springs: a critical requirement in automotive
Without regulatory compliance, a spring cannot be part of the automotive supply chain
Precision and reliable springs for automotive applications under extreme conditions
In the automotive industry, the reliability of springs and metal components under extreme conditions is critical and leaves no room for standard solutions
RPK Group showcases eMobility and automotive solutions at Renault Iberia Tech Day
RPK Group engineering representatives present automotive and electric mobility capabilities to Renault teams
Reliable lead times: the key to spring manufacturing
At RPK Group we guarantee flexibility, traceability and adherence to deadlines in both local and international projects.
Integration of miniature springs in confined automotive spaces
The growing trend toward miniaturization in the automotive industry demands highly precise springs and metal components that fit into critical spaces without compromising functionality or reliability
RPK Group’s EcoVadis Sustainability score improves significantly in 2025
New score jumps from 56 to 65, placing RPK Group in the 76th percentile worldwide (top 24%) and highlighting its leadership in sustainable practices for spring and metal part manufacturing.
RPK Group: More than half a century of hard graft, now opening up to the medical sector | Article published in Diario Noticias de Alava
Original article written in Spanish in the Diario de Noticias de Álava
Automotive Springs, Stamped Parts & Busbars: Key Applications
From engines to EVs: how springs and stamped metal parts power modern vehicles
RPK Group receives the Hetel Saria Award for its commitment to Vocational Education and Training
Recognizing collaboration, talent development, and high-quality employability
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
Beyond the spring catalog: the value of custom design
Standardization in docks limits performance in demanding sectors, where the lack of technical customization generates inefficiencies, cost overruns and functional failures.
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.
Industrial flexibility: ending technical bottlenecks
Many spring manufacturers struggle with delays, cost overruns, or quality risks when facing design changes or production ramp-ups. RPK Group stands out as a flexible partner
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
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
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
Advanced solutions for quality Issues in spring manufacturing
How to prevent recurring quality problems in spring production with RPK Group
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
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.
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.
Traceability and Documentary Rigor: Key Factors in Critical Springs and Metal Components
The manufacturing of high-complexity springs and metal components continues beyond the machine output; it depends on the strength of their technical documentation
Case Study: High-Reliability Silver Contact Spring for Integrated Brake Control (IBC)
Precision manufacturing for critical braking applications
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
Overmolding: Added Value for Metal Components
At RPK Group, overmolding integrates metal parts and technical plastics into high-precision subassemblies ready for final assembly
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.
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
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.
Download the RPK Group General Catalog
Explore all our capabilities, solutions, and technologies in one comprehensive document
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.
At RPK Group, we are driving our new Social Transformation Plan
A renewed commitment to our community and cooperative
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
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.
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.
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.
RPK India Receives A+ Grade for Excellence from Gabriel India
Recognized for Outstanding Quality and On-Time Delivery
Support program for business R&D – Hazitek 2024
We continue working to develop innovative and competitive projects.
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
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.
RPK India at Bharat Mobility Expo in Delhi
Strengthening Connections in India's Automotive Market
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.
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.
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.
Celebrating 50 years of hard work and dedication
On December 13th, we celebrated RPK's 50th anniversary alongside our members and retirees.
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.
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.
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.
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.
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.
Case study: strengthen wave spring performance with CuBe material
Enhancing reliability and electrical conductivity with innovative material solutions and precision engineering
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.
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
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.
RPK Group Recognized by Kooperatiben Kontseilua for Over 50 Years of Cooperative Leadership
RPK Group honored at the Euskalduna Palace alongside 33 Basque Cooperatives
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.
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
RPK Group at 2024 SpringWorld in Chicago
Strengthening Supplier Relationships and Exploring New Opportunities
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.
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.
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.
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
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
RPK Medical feature in the USA Today
Special article featuring an interview with Eduardo Melón in USA Today's Business Focus
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.
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.
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.
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.
Types of Compression Springs
Compression springs are essential in various industries, absorbing forces and storing energy.
International Women in Engineering Day
Empowering women's careers in STEM is everyone's responsibility
Enhance your application’s performance with Bus Bar prototyping
Creating the perfect bus bar: from engineering and prototyping to serial production.
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.
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.
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.
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.
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.
Spring Solutions for Powertrain by RPK Group
Over 50 Years of Excellence in Designing and Manufacturing Springs and Metal Components for the Powertrain
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.
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
Revolutionizing Automotive Engineering: RPK Group's Cutting-Edge Solutions for EV
Pioneering Prototyping and manufacturing for Electric, Hybrid, and Hydrogen Vehicles
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
Gasori Present at Intech by Trumpf 2024
Our colleagues Iñaki Gaskon and Sergio Loma were exploring the cutting-edge technologies of our partner Trumpf
RPK Group at Wire Dusseldorf 2024
Twelve experts from the group are present to stay at the forefront of technology and materials
Case Study: Custom Canted/Slant Coil Springs, Precision Engineering Solutions
Combining helicoidal compression springs and welding expertise for optimal power management and mechanical retention.
RPK Group: pioneering dynamic parts for the automotive industry
From bending to stamping: customized solutions with global reach
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.
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.
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
Gasori: 40 years as a pioneer in industrial subcontracting in Spain
From manufacturing stoves in 1984 to becoming a technological reference
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
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
Support program for business R&D – Hazitek
We continue working to develop innovative and competitive projects.
RPK Group eBike solutions
Your ideal partner for springs and stamping to achieve peak performance in eBikes
RPK Group at IMEWest Anaheim 2024
We will attend the biggest advanced manufacturing event in the US. Visit us at the booth 3539
RPK Group at Pharmapack Paris 2024
We will attend Europe's leading packaging and drug delivery event on January 24-25
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!
Committed to Cyclocross and Women's Sports
From our Equality Committee, we drive women's cyclocross by supporting young athletes in the Ametzaga Cyclocross.
Case Study: Enhancing a Contact Spring for Driving Assistance System with Precision Engineering
From FEM/FEA Analysis to High-Precision Tooling: RPK Group's Comprehensive Approach Delivers Enhanced Performance and Seamless Integration in Radar Technology
RPK Group, metal components, bus bars, and springs for hydrogen vehicles
Pioneering Hydrogen Solutions for a Sustainable Tomorrow
RPK Group achieves DNSH accreditation for electric vehicle bus bar projects
This achievement highlights our commitment to sustainability, environmental protection, and resource optimization.
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?
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
RPK Group at CPHI Barcelona 2024
We will attend the biggest pharma and medical device event on October 25
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
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
RPK Tarragona celebrates 60 Years of excellence in stamping
A remarkable anniversary gathering featuring paddle tennis, fideuá, and togetherness!
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
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
Your Ideal Partner for Needle-Free Injection Solutions
Revolutionizing Needle-Free Injections: Partner with RPK Group for unparalleled solutions
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.
RPK Group, Certified Quality
RPK S. Coop. was audited by AENOR last July for the UNE EN ISO14001:2015 standard.
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.
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.
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.
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
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
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.
RPK Group with Matxingo 19
Rpk has collaborated with Don Bosco and a group of high-grade students in automation in their “MatxinGO” vehicle.
RPK Group participates in 21 Korrika
RPK Joined Araski Basketball team for "21 Korrika"
Stanley rewards RPK's Quality
Stanley selected rpk as superior performace quality award 2018. 0 PPM’s during last 5 years