Sports and Fitness Industry
CNC Drilling & Tapping for Fitness Equipment Frames
DUOMI CNC offers a cutting-edge solution: a fully automated CNC friction drilling and tapping machine designed specifically for high-strength tubular frames in sports and fitness equipment.
This system uses heat and pressure to form holes without cutting, creating a burr-free, extended sleeve in the base metal that supports strong internal threads—all without the need for weld nuts or inserts.

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Sports and Fitness Industry
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Friction Drilling Machines for Gym Equipment Industry
Boost efficiency and strength in gym equipment manufacturing with CNC friction drilling machines—no welding, stronger threads, and faster production.
CNC Drilling & Tapping for Fitness Equipment Frames
Combine friction drilling and thread forming in a single, continuous process.
Strong internal threads formed directly in the metal; no risk of weld failures.
Sleeve-like extrusion increases thread depth and durability under load.
Supports multi-spindle configurations, automatic feeding, and high-volume production.
No cutting fluid, minimal maintenance, and no chip waste.
What Sets Us Apart for the US and EU Markets?
Compliance with international standards for quality and safety
English-language support and documentation
In-stock machines for quick delivery
Excellent integration with automated production lines
Proven performance in top-tier gym equipment factories
What Our Global Clients Say
“We’ve upgraded our entire gym equipment frame line with DUOMI’s friction drilling machine. The thread strength is unmatched, and we’ve cut production time by 40%.”
— John P., Operations Director, Fitness Equipment Brand in the USA“The CNC control and one-step process make everything more efficient. No more welding nuts, and quality issues are gone.”
— Laura G., Plant Manager, Sports Equipment Manufacturer, Germany






CNC Friction Drilling Applications in Fitness Equipment – Sample Showcase
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