Insert Nut M3 x 3mm(L) x 4mm(OD) Round Bolt 50 pcs

Threaded Insert Nuts

[Material] Brass
[Thread Size] M3
[Exterior Finish] Nickel Plated Brass
[Product Dimensions] (Length x Width x Height) 4 x 4 x 3 mm

New, Unused
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1. [Product Specifications] Package includes 50 x Brass knurled insert nuts, thread specification M3, outer diameter 4mm, height 3mm, thread pitch 0.5mm.
2. [Advantages] Brass inserts can be fixed internally to prevent easy detachment. They are secured in tapered threaded holes by ultrasonic, heat, or injection molding, with a constant torque and tensile force, ensuring they are fixed internally and preventing easy loosening.
3. [Preferred Material] Knurled screw insert nuts are made of brass. These inserts are durable and heat-resistant, rust-resistant, corrosion-resistant, easily conduct heat, and have good electrical conductivity. They maintain thread integrity even after multiple uses.
4. [Applications] Widely used in medical equipment, lighting fixtures, home appliance plastic shells, electronic products, electronic injection molding, automotive plastic shells, computer plastic shells, 3D printers, and for finishing antique cars and motorcycles.
5. [Easy Installation] Small and lightweight, these inserts are easy to use. Knurled brass nuts are typically melt-bonded, heat-pressed, or ultrasonic welded. Injection molded inserts are used to securely connect products to plastic parts.