About Us
TECHNICAL INNOVATION SOLUTIONS SRL Technical Innovation Solution SRL and its Plant in China Shenzhen Daheng Precision Hardware Co., Ltd. has been insisting on providing fast and accurate fastening system parts, automation parts, electronic hardware, machining tools and other high-quality parts to customers. DH precision has been committed to R & D and innovation for many years, with core technology as the center, including: environmental protection process technology, precision mold technology, numerical control processing technology, etc. And DH also works hard in intellectual power management, actively takes enhancing the international competitiveness of Chinese as its own responsibility, and makes full efforts to promote and contribute to corporate social responsibility and environmental protection, such as energy conservation, emission reduction, greening and recycling.
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Manufacturing Center
Professional, sincere and reliable Take root in basic industries. Serving global customers.
hot products
Knurled Copper Nuts
Application fields:
Knurled copper nuts have been widely used in the fields: laptop, PC, GPS,Ruoter,MobilePhone,Unlimited communication facilities plastic cover. And it is also  used to the houseware, automobile,electrical appliance, medical treatment and 3C digital plastic cover.
Method of action:
The using method of Knurled copper nuts is Hot melting, hot pressing, ultrasonic welding and injection molding embedded processing technology, and it can make the product and the plastic parts tightly anastomosis. Then it can play the role of connecting, locking and fastening.
Material:
Lead-free environmentally friendly copper
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Self-tapping Screw
Application:
Self-tapping screw also named Self-Tapping threaded insert. It is a new type of fastener to strengthen thread strength. The self-tapping screw has in-and-out thread. When it is embeded in the material of plastic,Aluminum alloy cast iron,copper etc.,it can form the high-strength internal thread hole.The self-tapping screw can repair the broken internal thread. It can be directly screwed into the specific hole reserved for the base material with the installation tool.Althrough the base thread has been broken, it is still suitable to match with the same original screw. It's really Economical and beautiful.For new product, it can force the thread strength.Now the self-tapping thread has been applianced in automotive industry,Rail car industry, shipbuilding industry, household appliances, construction machinery, office machines, electronic products, engineering plastics, high-end modular furniture, aluminum die-casting and other industries.
Material:
Brass
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Hexagonal Copper Screw
Application fields:
Hexagonal copper screw has been widely used in the following fields: houseware,
automobile,electrical appliance, medical treatment and 3c digital plastic cover etc.
Method of action:
Using method of the Hexagonal copper screw, it usually take the Injection molding embedded processing technology, it can make the product and the plastic parts tightly anastomosis. It can play the role of connecting, locking and fastening.
Material:
Lead-free environmentally friendly copper
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The opening iron ring is designed and customized on demand
Our design ability can provide customized solutions for customers, or provide professional technical consultation and reference solutions for customers' needs.
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Application of copper /stainless connecting shaft in plastic shell
Copper/stainless connecting shaft has high strength, high tensile strength and high torque resistance caused by high friction, which is a fastener solution specially used for plastic materials.
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Production Processes

Application

Application of copper nut in automotive plastic shell

  • Copper nut has high torque resistance caused by high strength, high tensile force and high friction force. It is a fastener solution specially used in plastic materials.

  • Assembly function for Ferrari, Volkswagen and other automotive interior parts. To insert the copper nut into the plastic part by the technology of Injection implantation, Cold press implantation, Hot melt implantation, and Self-tapping implantation.

Application of copper insert in sport plastic product

  • We increase the friction between the insert and the plastic plate by increasing the flange, and increase the direct tensile force between the insert and the plastic plate by adding the steel wire screw sleeve. At the same time, we also give consideration to the anti-seismic ability. For the problem of plastic overflow in the injection mold, we use the method of sticking 3M plastic pipes on both ends to control the problem of plastic overflow.

Application of copper nut in plastic injection mold

  • The industry involves auto parts, medical, environmental protection, daily necessities, outdoor fitness products, baby carriages, etc.

  • After adding glass fiber into ABS, the fluidity in the mold cavity becomes poor, resulting in less glue in straight knurled groove and T-groove. Therefore, we have designed our standard product, CZ series injection nut for our customers. CZ series injection nuts are tensile in hexagonal shape, and have no sharp knurling on the surface, reducing plastic flow resistance, so as to achieve high torsion resistance and tensile strength.


product service
With high-quality products and years of production expericen, our precision solution have been recognized by many high-quality customers at home and abroad. We can provide a variety of services, cleaning, testing, packing and professional engineering to help you solve the procurement and use problems, is your first choice for purchasing metal insert part.
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