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As the bolt head is tightened, the cone is pulled up the bolt thread, causing the legs of the sleeve to expand until the cone locks the sleeve against the inner wall of the hollow section.available in two versions: the original 3-part design for general hollow section connections and the larger sized 5-part high clamping force (hcf) version, for higher strength structural connections.

These screws are made from zinc-plated grade 5 steel that’s stronger than stainless steel and provides corrosion resistance in wet environments. when wired together, they resist vibration better than any other hex head screw.

Rivet nuts rivet nuts are internally threaded fasteners inserted into brittle or thin materials that are not suitable for hole tapping.

Figure 2: illustration of the tin-silver capped copper pillar plating process copper pillars are electroplated over a cu seed layer at the base, with photoresist defining the diameter of the pillar. a nickel diffusion barrier between the pillar and the solder cap limits formation of a copper-tin intermetallic layer at the interface or prevents ...

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