Anti-Slip Knurl Copper Insert Injection Molded Internal Thread Copper Inserts Custom Machining

These knurled copper inserts are ideal reinforcement hardware for all plastic components. Made of solid copper, they feature anti-slip outer knurls to lock firmly into plastic via injection molding or heat pressing.
The standard internal threads offer stable, reusable screw connection, avoiding stripped plastic threads after repeated disassembly. Available in multiple metric thread sizes M2-M10, we also accept custom size orders for electronics, 3D prints, automotive and furniture DIY projects.
High conductivity, rust-proof and durable, our copper inserts are widely used to strengthen plastic housings and structural parts with reliable long-term performance. We provide fast shipping.

Ma'anshan Chuxing Municipal Facilities Co., Ltd. is located in Ma'anshan City, Anhui Province, which is known as "the First City of Jiangdong" and "the City of Poetry". It is a comprehensive industrial enterprise integrating research and development, production and sales. The company has strong technical force, advanced production technology and complete equipment. It is a leading enterprise in the segmented industry, and its enterprise management and operation have reached the domestic leading level.
The company mainly produces and operates various metal products such as stainless steel meter boxes and pipe supports, polymer composite products such as SMC glass fiber reinforced plastic gas meter boxes, water meter boxes and electricity meter boxes, as well as extended services in the fields of gas, tap water and electricity.
Since its establishment in 2006, the company has realized product serialization, automation and informatization in the research, development and production of stainless steel materials and polymer materials, and accumulated rich experience in production, management and on-site construction. Relying on scientific and technological progress, adhering to quality first, realizing honest service and giving play to the brand strategy, the company has passed the certification of quality management system, environmental management system and occupational health and safety management system. For many years, it has insisted on practicing the business philosophy of "customer-oriented, professional and efficient, and pursuing excellence". With advanced production equipment, perfect management system and excellent after-sales service, it has won the trust and support of customers and has become:
Joint supplier of Hong Kong and China Gas Investment Co., Ltd.
Joint supplier of Shenzhen Gas Group Co., Ltd.
Joint supplier of China Gas Holdings Limited Water meter box supplier for many water groups such as Huayan Water, Capital Water, Jiangxi Water Investment, etc.
Chuxing Company will continue to adhere to honest operation and innovative development, and make its own contribution to the realization of the "Made in China 2026" strategy of building a strong manufacturing country