Cracking the Tightening Challenge for Thin Materials: How Press-Riveted Nut Studs Become Industry’s “Unseen Heroes”
Release date:
2025-10-31
In the manufacturing of lightweight products such as smartphones and new-energy vehicles, fastening thin substrates thinner than 3mm has long been a major industry challenge—direct tapping easily leads to cracking, while welding nuts often causes deformation. Traditional methods have consistently struggled to strike the right balance between efficiency and precision. However, the introduction of press-riveted nut studs has revolutionized this situation by leveraging the "cold-forming" principle.
This innovative fastener requires no high temperatures or cutting—instead, it can be pressed into pre-drilled holes in just 3 to 5 seconds using pressure equipment. By leveraging the plastic deformation of the base material, it creates a secure, tight fit that boosts thread strength by more than 30%. In terms of material selection, this product line offers solutions for every application scenario: Carbon steel and 304 stainless steel versions, after Dacromet treatment, withstand salt-spray tests for up to 500 hours—perfect for household appliance manufacturing. Meanwhile, the lightweight aluminum alloy version boasts a density just one-third that of steel, helping to reduce weight in next-generation electric vehicles. And for industries with even more demanding needs, titanium alloy and PEEK variants deliver exceptional performance, meeting the rigorous standards of aerospace and medical-device applications.
In the electronics manufacturing sector, miniature press-fit nut posts (as small as M2 specification) can withstand up to 100 cycles of removal and reinstallation on ultra-thin substrates as thin as 1mm without any thread stripping. Meanwhile, after adopting aluminum alloy versions for new-energy vehicle battery packs, these systems not only achieve an impressive IP67 waterproof rating but also boost assembly efficiency by a remarkable 5-fold. With the growing adoption of automated production lines, these standardized fasteners have enabled full-process automation—from material feeding to pressing and final inspection—while maintaining precision control within a tight tolerance of ±0.02mm. As a result, they’ve become indispensable core components in high-end manufacturing.
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