Springs and metal parts for power tools
Springs and metal parts for power tools

Power tools

Performance, safety and durability for the best power tools

RPK Group works with leading power-tool manufacturers to develop custom springs and contacts that keep saws, drills, impact drivers, and lawnmowers performing consistently. We engineer components for triggers, clutches, brakes, operator controls, safety mechanisms, and cordless battery contacts, and we shot-peen and validate them for high cycle life under the heat and vibration generated by tools. Each part is co-developed with your team and inspected to maintain stable quality at volume.

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Frequently Asked Questions

What power-tool components does RPK Group make springs for?

RPK Group supplies custom springs for drills, impact drivers, saws, chainsaws, and leaf blowers, including springs for trigger, clutch, brake, and throttle mechanisms.

How does RPK Group design springs for high cycle counts?

RPK Group selects the material and geometry based on the expected number of cycles and load, then applies heat treatment and validates fatigue life to ensure the spring maintains its force over the tool's working life.

Can RPK Group design springs that fit compact tool housings?

Yes. RPK Group engineers springs to fit tight handheld envelopes while still delivering the required force, using compact forms such as wave and torsion springs where appropriate.

Which materials does RPK Group use for power-tool springs?

RPK Group commonly uses chrome silicon, stainless steels, and high-performance alloys chosen for fatigue resistance and force retention under shock and vibration.

Can RPK Group support high-volume power-tool production?

Yes. RPK Group produces springs in high volume on automated lines with consistent quality control.

How does RPK Group help reduce field failures in power tools?

RPK Group reviews the load case and cycle requirements early, selects materials for fatigue and shock resistance, and validates the design, which reduces the risk of force loss or breakage in the field.

Get the most out of our expertise in the power tool industry

Our engineers work alongside our customers to find the best solution for them, applying scientific methods and knowledge accumulated over almost 50 years.

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Do you need help for your next project?

Contact our engineering and sales teams. We will help you find the best solution for your applications.

+34 945 25 77 00

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