Dongguan Hezhi Hardware Co., Ltd.
| Payment Terms | T/T, L/C |
| Supply Ability | 10,000,000 Piece/Pieces per Month According to the order |
| Delivery Time | 7-15 work days |
| Packaging Details | PE Bag with Carton Box |
| Product name | OEM Stainless Steel Industrial Usage Double Spiral Metal Torsion Spring |
| Application | Hardware/ automobile |
| Size | According to the requirements |
| Usage | Industrial, Automobile, Auto, Car |
| Wire Diameter | 0.05mm-20.0mm |
| Material | Steel, Stainless Steel, Carbon Steel ,Music Steel or as required |
| Packing details | Inner-- PE Bag ,Outer --Carton Box or as your request |
| Surface treatmnt | Galvanized, copper, Anti-rust Treatment, gold, Nickel/chrome/zinc plating /beryllium copper/coating firm etc |
| Color | White, Black, Silver, Gold or as required |
| Shipping ways | Air, Train, Sea |
| Brand Name | HEZHI |
| Model Number | N/A |
| Certification | Rohs&Reach |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 10,000,000 Piece/Pieces per Month According to the order |
| Delivery Time | 7-15 work days | Packaging Details | PE Bag with Carton Box |
| Product name | OEM Stainless Steel Industrial Usage Double Spiral Metal Torsion Spring | Application | Hardware/ automobile |
| Size | According to the requirements | Usage | Industrial, Automobile, Auto, Car |
| Wire Diameter | 0.05mm-20.0mm | Material | Steel, Stainless Steel, Carbon Steel ,Music Steel or as required |
| Packing details | Inner-- PE Bag ,Outer --Carton Box or as your request | Surface treatmnt | Galvanized, copper, Anti-rust Treatment, gold, Nickel/chrome/zinc plating /beryllium copper/coating firm etc |
| Color | White, Black, Silver, Gold or as required | Shipping ways | Air, Train, Sea |
| Brand Name | HEZHI | Model Number | N/A |
| Certification | Rohs&Reach | Place of Origin | China |
| High Light | OEM Round Coil Spring ，631 Round Coil Spring ，631 round wire spring | ||
OEM Stainless Steel Industrial Usage Double Spiral Metal Torsion Spring
Torsion spring is a mechanical part that uses elasticity to work. Usually made of spring steel. It is used to control the movement of machine parts, mitigate the impact or vibration, store energy, measure the size of force, etc. Torsion Spring, namely Torsion Spring, is a complex design principle among all types of springs and the type change is quite lively, so the theory involved in the design is the most complicated.
When the spring twists, the material is in a tensile or shear state as mentioned in the torsion calculation, so the torsion Angle limit is ultimately caused by the failure of the material, which cannot be restored to its original state when plastic deformation occurs. Of course, the Von Mises stress calculated by the fourth strength theory is the maximum strength that the material can withstand. Combined with the length of the spring, the maximum allowable torsion Angle can be calculated.
Production line diameter: production wire diameter range 0.08mm-10.0mm Technical standard: according to customer requirements, the company to solve the customer's best as its own responsibility, but also to produce high precision spring specialty. RoHS compliant: Able to measure more than 76 chemicals and materials, plating thickness types of surface treatment: environmentally friendly (RoHS) nickel, zinc, plating, gold, silver, copper, black, electrophoresis, Dacro (suitable for long time outdoor use, can reach more than 90 hours of salt spray measurement
Torsional spring products using range: applicable to all kinds of toys, lighting, handbags, leather goods, luggage, gifts, handicrafts, stationery, electronics, electrical appliances, cameras, precision equipment, all kinds of traffic tools, metal plastic, electronic said, remote control, stroller, bicycles, washing machines, vacuum cleaners, lamps and lanterns, automobiles, furniture, toys, switch, socket, water heater, calculators, watches, Igniter, mouse, motor, mobile phone, medallion, fan, video DVD...
| Material | Stainless Steel (SUS304,301.316,310,201,631, ect) | |
| Paino/Music Steel | ||
| Carbon Steel or as your requirments | ||
| Iron etc | ||
| Finished | Electroplating | Zinc ,Nickel ,copper ,black and so on |
| Heating | In different tempurture | |
| Cleanning | ||
| Passivation | ||
| Clean | ||
| Rust-Proof | ||
| Process | CNC Machine, digital control multi-functional computer spring coiling machine, mechanical automatic spring coiling machine, spring grinding machine, heat treatment equipment, large hot coil spring production line, quality testing instruments | |
| Application | used in computer, electronics, home appliances, cameras, instruments, doors, motorcycles, harvesters, automobiles, and other industries to control the movement of machine parts, ease impact or vibration | |
| Wire dia Range | 0.05-20mm | |
| Packaging | PE Bag with Carton Box | |
| Tolerance | 0.05mm-0.1mm or as your requirements | |
| Material | Type | Model number | Characteristic | Application |
| Stainless Steel (SUS) | With or without magnetism shine or nitrided surface, dark surface | 201, 202 | Less nickel plated, could not proceed salt spray test | Usually use craft and toys |
| 301, 302, , 304, 316, 321 | High temperature resistance, can used in anti-acid, and-rust | Electronic part, home appliance, Locks, toys | ||
| 410, 420, 430 | High strength | OEM aments and tableware products | ||
| 630, 631 etc. | High heat stability | Electrical application or product use under high temperature | ||
| Carbon Steel (SWC) | Low carbon steel, high carbon steel, nickel plated steel Galvanized wire | 55CrSi, 60SizMNA, 60SizCRVA | Good elasticity high hardness | Electronic part, home appliance, Locks, toys |
| Piano Steel (SWP) | N/A | SWPA SWPB | High tensile resistance Long worklife | Application for all kinds of small products |
| Copper Wire | Phosph or copper wire( C519R), Nickel plated copper, Bronze | N/A | Good conductivity of electrical | Electronics, electrical applicance |
| Iron Wire | Galvanized iron wire | Customized or normal material | Craft spring Decoration wire |
Dongguan Hezhi Hardware Co., Ltd. is located in Dongkeng Town, Dongguan City, Guangdong Province, China. We are a worldwide import and export trading company.We belong to a group of companies established in the early 20th century.Our company is a spring factory specializing in R&D design, amnufacturer and sales, introduced equipment technology and hired senior engineers with more ten years of experience to highly cooperate with various customized ODM and OEM products.
Our company is a hardware factory specializing in R&D design, manufacture and sales of precision components. The company introduces advanced equipment and production technology from Taiwan and abroad, adopts CNC high-precision computer machine, compression spring machine and other mechanical equipment, and employs senior engineers with more than ten years of work experience to debug mechanical equipment and customize production.
Our Slogan: The testimony is pragmatic and the attitude of the people. Quality service is the pursuit of the people!
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.
A1: We are the manufacturer of the hardware. We can provide OEM service and also provide samples for testing. Last but
not least, we produce not only rivet nut column, but aslo al kinds of springs.
2. Small order quantity is workable
A2: From the initial sample design of the spring to the mass production of the springs, we can quickly reach your manufacturing goals and immediately provide the best products because we have an excellent production management system and expertly trained technical personnel.
3. Committed to high quality production
A3: To keep HeZhi Springs at the forefront of the industry, we have implemented a stringent internal quality control system and regularly import the latest manufacturing equipment and instruments. Through our precise manufacturing technology and expert mold making process, we provide our customers with the best products and service.
4. Efficiency in manufacturing
A4: Our company's machinery and equipment are controlled by CNC computers. In order to respond to international needs and standards, we continuously update and upgrade our equipment every year. Our machines effectively increase production capacity and save on manufacturing costs. The manufacturing department is the most important core of the whole company and by treating it with utmost importance, we reap great benefits in manufacturing efficiency.
5. Excellent customization services
A5: HeZhi's R&D team designs and completes customized products according to the needs of customers. From the selection of materials to the function of the products, we can design and develop products to suite different customers' requirements. We are constantly involving ourselves in all aspects of the industry because only by having a complete view and analysis of the industry, can there be innovative breakthroughs.
6. Payment term
A6: *T/T : 30% pre T/T, 70% before delivery.
*Trade Assurance
7. Service
A7: *Delivery on time.
*Shipped by a convenient and cost-effective way.
*Good after-selling, 24 hours service for you.
8. Packing
A8: *A: Poly bag, Plstic tray ,small box, carton.
*B: According to customers' requirements.
9. Delivery
A9: *Sample: 7-10 days after deposit received.
*Batch goods: 12-15 days after samples approved.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
100000-500000
Employee Number:
50~100
Ecer Certification：
Active Member
Dongguan Hezhi Hardware Co., Ltd. is located in Dongkeng Town, Dongguan City, Guangdong Province, China. It is a hardware factory specializing in R&D design, manufacture and sales of precision components. The company introduces advanced equipment and production technology from Taiwan and abroad,... Dongguan Hezhi Hardware Co., Ltd. is located in Dongkeng Town, Dongguan City, Guangdong Province, China. It is a hardware factory specializing in R&D design, manufacture and sales of precision components. The company introduces advanced equipment and production technology from Taiwan and abroad,...
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