FINEX- Trusted Brass Inserts Processing Factory
If you are looking for brass insert nuts for the plastics industry, Marine, plumbing, electrical or decorative industries, then FINEX will be your best choice.
FINEX offers a wide range of plastic threaded inserts to meet your performance and installation requirements, including hot melt/ultrasonic, in-mold injection, press-mounted and self-tapping inserts. We offer free application engineering support to help you design the most suitable inserts for your plastic component application
Product By Features
Hot Melt Embedding Method
Hot melt embedding is the most common embedding method of brass inserts, usually with hot melt machine and artificial electric soldering iron embedding.
The hot melt embedding method has the advantages of good flexibility, strong consistency, high performance and affordable price. This method has become the preferred option for the assembly of brass inserts into plastic parts in many applications
Injection Embedding in Film
This embedding method is to put the brass insert into the mold, plastic injection plastic wrap the outer wall of the brass insert, after cooling can be combined with the plastic part.
This embedding method can achieve the best bonding strength, but relatively high cost compared to other methods.
Press-in Type
Cold Pressed: Cold pressing is directly pressed into plastic without heating. The cold pressing process is mainly used for some thermosetting plastics. Are a very economical option because they are easy to install and usually do not require special equipment.
Expansion Embedding: Expanded brass inserts feature grooves on the sides that allow elastic deformation when pressed. When the screw is screwed in, the expanded brass insert side wall is forced to open outwards, creating an occlusal contact with the inner wall of the hole
Self-tapping Embedding
Self-tapping brass inserts provide the best pull resistance to plastic holes, and external threads are thin profile designed to minimize stress in plastic.
Mainly used in PC material and other hard plastics, in order to prevent the nut and plastic after the combination of cracking or stress release, the use of self-tapping brass inserts is a good solution, using ordinary power tools can be installed
Brass Inserts: Copper has good thermal conductivity and easy workability, so brass inserts are the most widely used metal inserts.The common brass type used by FINEX is C3604 brass or lead-free copper. The lead content is less than 50PPM, and the material meets the EU ROHS standard
Stainless Steel Inserts: Stainless steel inserts have higher hardness and wear resistance, and stainless steel has better anti-rust performance than brass in the workplace with higher anti-rust requirements. Commonly used easy turning stainless steel model SUS303 or SUS316F
Contact FINEX for professional custom inlaid fastener solutions
When is it necessary to embed copper nuts in plastic parts, or what is the function of embedding copper nuts?
- Improve the connection strength between plastic parts: Metal threads prevent thread deformation under the entire load, so copper nuts can significantly improve the connection strength in plastic parts
- Plastic parts need to be disassembled several times: The copper nut embedded in the plastic parts can be used to achieve repeated disassembly without losing the integrity of the thread
- Replace metal with plastic parts: Although metal parts are easy to get high strength threaded connection, but its processing and material costs are high, the ratio is heavy, not suitable for use in cost requirements and lightweight products, so the way of embedding copper nuts in plastic parts can meet this demand
- Our Factory
