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Vichok Hardware
M3 M4 M5 Twill Texture Figure-8 Injection Molding Copper Nut & 8-Shape Hot Melt Copper Inserts Knurled Through Hole Copper Nuts for Injection Molding
M3 M4 M5 Twill Texture Figure-8 Injection Molding Copper Nut & 8-Shape Hot Melt Copper Inserts Knurled Through Hole Copper Nuts for Injection Molding
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These 8‑shape hot melt knurled copper nuts are designed for injection molding, 3D printing, plastic assembly, and embedded installation. Made of high‑quality copper, they provide strong thermal conductivity, stability, and durability for professional and industrial use.
Featuring a knurled surface and through‑hole design, the 8‑shape (figure‑8) structure delivers excellent pull‑out resistance and anti‑slip performance. They melt smoothly into plastic parts, forming a tight, permanent bond without loosening.
Available in sizes M3, M4, M5, these pre‑embedded copper inserts are widely used in electronics, home appliances, automotive parts, plastic enclosures, and 3D printing projects. They install quickly with heat insertion tools and work reliably in mass production.
Ideal for manufacturers, engineers, and DIY makers, these hot melt copper insert nuts deliver stable threading and strong holding power for all kinds of plastic and injection‑molded components.
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