Brass Self-Locking Expansion Inserts are threaded fastening components used to produce a secure and long-lasting threaded connection in materials like plastic, wood, and composites. Its expansion mechanism causes the insert to lock firmly inside a pre-drilled hole by expanding against the surrounding material, providing significant resistance to rotation and pull-out. It is made of brass, which provides good corrosion resistance, durability, and machinability, and its self-locking design enables solid fastening for applications that require repetitive screw installation and removal.

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Uk - Brass Self Locking Expansion Insert.

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