Product Name: Double Twill Soil Eight Copper Nuts.
Product model: 3M.
Product material: Brass.
Product size: The overall size is 4mm x 4.5mm/0.16'' x 0.18'', and the inner diameter is 3M.
Product packaging: 100 pcs double twill soil eight copper nuts.
Product features: This product is durable, rust-proof, and has good thermal conductivity.
Product design: The surface of the product is engraved with double twill earth eight threads, which is exquisite and beautiful, and the surface has been polished and polished to make it smooth and clean.
Product use: This product can be widely used in 3D printing or other plastic parts, such as PLA, PETG, ABS, PPS, PP, etc. This product can firmly fix two different parts together.

Notice:
1. Due to different monitors and lighting effects, the actual color may be slightly different from the image.
2. Due to manual measurement, please allow deviation in length.