High Hardness Non Standard Thread Core Insert for Customizable Plastic Injection Molds
Thread Core Inserts are essential components in mechanical design, found in diverse products ranging from plastic bottle caps to plumbing fittings. Their widespread practical use became possible when thread standards were established in 1864, enabling interchangeability that supported the rapid growth of the machine age.
Before plastics gained widespread acceptance in the 1940s, metal was the primary material for mechanical products. Between the 1860s and 1940s, the machine tool industry perfected thread design, with comprehensive technical information published in references like Machinery's Handbook. Interestingly, this extensive reference contains no mention of plastic materials in its coverage of thread design.
The plastics industry has not produced comparable technical information for injection molded threads, as early plastics engineers typically designed threads that duplicated metal thread specifications. While many performed satisfactorily, others failed unexpectedly due to limitations in early materials and molding procedures compared to today's high-performance engineering materials and advanced molding techniques.
| Business Type | Factory/Manufacturer |
|---|---|
| Material | Copper, Stainless steel, Tungsten, Steel, and others as per requirements |
| Equipment | CNC processing center, Milling machine, Outer diameter grinding puncher, Ultrasonic polishing machine, Centerless Grinding Machine etc. |
| Quotation | According to your drawing (size, material, processing content, etc) |
| Processing | CNC turning, milling, drilling, CNC Milling, Wire cutting etc. |
| Testing Equipment | CMM triple metameter, Caliper, Surface roughness meter etc. |
| Tolerance/Surface Roughness | +/-0.005 - 0.01mm (Customize available) | Ra0.2 - Ra3.2 (Customize available) |
| Application | Medical, Consumer, Home appliance, Electronic, Cosmetics, Daily Packaging etc. |
| Surface treatment | Coating, Polish, Nitriding, Heat treatment etc |
| Size | Depends on your drawing or product standards |
| Drawing format | Jpg/.pdf/.dxf/.dwg/.igs./.stp/x_t. etc or samples |
| QC | 100% inspection before shipment, product OK rate 99.8% |
| Samples Leading Time | 7-15 days |
- Good Quality & Competitive Price: 70% of products exported to European and North American markets, following ISO quality control system with consistent quality and competitive pricing
- High Credibility & Responsibility: Management prioritizes long-term partnerships, willing to undertake costs or losses to maintain client relationships
- Excellent Communication & Global Vision: Sales team with high-level English certification, operating with "customer first, perfect service" business philosophy
- Professional Manufacturing Skills: Over 15 years experience in product development and manufacturing, offering OEM, ODM, and non-standard services
- Specialization in Plastic Mold Parts: 15 years focused on plastic mold parts with expansion into various non-standard tooling parts as requested
- Goods shipped by air within 1-5 business days for stocked items after payment receipt
- Shipping methods: DHL, EMS, UPS, TNT, FEDEX door-to-door service, or via Sea/Air shipping
- Additional delivery options via Shenzhen Post or fastest available transportation modes
- Shipment within 24 hours of payment confirmation for successful transactions
- Not responsible for delivery delays including customs checking, strikes, or force majeure
- Buyers responsible for any custom/duty taxes in their country
We specialize in designing, molding and making plastic molds for medical appliances, household appliances, cosmetics parts, and daily packaging parts.
We have a range of precision imported equipment including Sodic Wire Cutting, EDM, CNC Milling, CNC Lathe, and Cylindrical Grinding.
Generally 1-3 days for in-stock goods, or 15-20 days for non-stock items, depending on quantity.
Yes, we offer samples free of charge but customers pay the freight cost.
Product national standard (Misumi, German standard, export standard, etc.) + model + size, or drawing.
We have a QC department that controls quality from the beginning of production until goods completion.
We don't take chances with poor quality products and manufacture goods to your satisfaction.
Payment: 30% T/T in advance, balance before shipment. For orders under $1000, contact us for details.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.