Shape Rivet Nuts | M4 M5 M6 Panel Fasteners | Metal Clamp Lock for Iron Sheet Plate

The 50p Expansion Screw Nut set offers a versatile and robust fastening solution for thin materials. Its unique petal shape rivet nut design provides a strong, permanent thread in sheet metal, panels,...
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Questions about this product
- Do I need a special tool to install these rivet nuts?
- Yes. These expand radially in a blind hole, so you set them with a rivet nut tool or mandrel set. Aim for about 3 to 8 Nm of torque depending on the size. Once seated, you get a permanent thread you can bolt into from the front.
- How thick a panel can these grip?
- They're built for thin sheet, roughly 0.5mm to 3.0mm thick. That covers most car body panels, enclosure walls, and cabinet sheet metal. For thicker stock you'd want a different fastener.
- What's the point of a rivet nut over a regular nut and bolt?
- You use these when you can't reach the back of the material. The petal shape flares out and clamps the sheet, giving you a strong thread from one side only. It's great for license plates, panels, and hollow framing where a backing nut won't fit.
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