Heavy Duty Hammock Hook Suspension Swing Tension Extension Spring for Hanging Chair Patio Swing Hanger
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Product Details
| Customization: | Available |
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| Function: | Pressed, Phonation, Buffer, Drive, Restoration, Measurement, Machine Hardware Parts |
| Material: | Stainless Steel |
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Basic Info.
- Model NO.
- LH
- Usage
- Industrial, Auto, Furniture, Motorcycle, Home Appliance, Lighting
- Load Type
- Extension
- Production Process
- Hot Roll
- Shape
- Coil
- Sevices
- OEM ODM
- Wire Forming
- 8 Bending Wire Forming Machines
- Spring
- 20 Computerize Spring Machines
- CNC
- 8 CNC Machines
- Stamping
- 15 Stamping Machines
- Advantage
- 3400 Square Meters Factory
- Support
- Custom Made Many Kinds of Metal
- Transport Package
- PE/Cartons/ Pallet
- Specification
- diameter 0.2-40 mm
- Trademark
- BAISHUN or OEM
- Origin
- Zhongshan and Dongguan, Guangdong, China
- HS Code
- 730209000
- Production Capacity
- 5000000/Year
Packaging & Delivery
- Package Size
- 35.00cm * 35.00cm * 35.00cm
- Package Gross Weight
- 5.000kg
Product Description
Extension/Tension springs
Extension springs are helical springs that bear axial tension. They are generally made of circular cross-section materials. When not under load, the coils of the extension spring are generally tight and there is no gap between them. When the two ends of the extension spring are pulled apart, the spring will try to pull them back together to absorb and store energy.
Extension springs, also known as helical Stretch Springs, are generally of equal pitch and circular cross-section. They can be used in many occasions, such as medical respiratory equipment, motion control, medical mobile equipment, hand tools, home care equipment, shock absorption, pump springs, mechanical and electronic protective hardware, fluid control valves, mechanical aerospace components, actuators, and switch equipment.
Extension springs, also known as helical Stretch Springs, are generally of equal pitch and circular cross-section. They can be used in many occasions, such as medical respiratory equipment, motion control, medical mobile equipment, hand tools, home care equipment, shock absorption, pump springs, mechanical and electronic protective hardware, fluid control valves, mechanical aerospace components, actuators, and switch equipment.
Specification
We customize springs with the material & size you specify, please tell us: |

Spring Type: Tension Spring
Material:
Surface treatment:
Wire Diameter:
Spring Diameter:
Free Length:
Active Coils:
Total Coils:
End Type:
Direction of Wind:
.........
Surface treatment:
Wire Diameter:
Spring Diameter:
Free Length:
Active Coils:
Total Coils:
End Type:
Direction of Wind:
.........
Material | Iron | A36, 45#, 1213, 12L14, 1215 etc. |
Stainless Steel | SS304,SS304L, SS316, SS316L,SS201,SS301,SS303,SS430,SS439, etc. | |
Aluminum | AL6061, Al6063, AL6082, AL7075, AL5052 etc. | |
Copper | C10100,C10200,C11000,C12000,C12000, C36000 etc. | |
Brass | HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc. | |
Steel | Mild Steel, Carbon Steel, 4140, 4340, Q235, Q345B, 20#, 45# etc. | |
Spring Steel | 70# steel,1075,65MN,T9A., 17-7ph, etc |
Surface Treatment | Steel | Zinc Plating, Oxide Black, Nickel Plating, Chrome Plating, Powder Coated, Electrolysis, electro painting,sliver plating, golden plating,polish etc |
Aluminum | Clear Anodized, Color Anodized, hard color anodized,Sandblasted Anodized, Brushing,Polishing, power coating,brushed | |
Stainless steel | Polishing, Brushed,Passivating, Sandblasting, Laser Engraving |
Other Products We Produce |
Company Profile

Baishun Hardware Manufacturing Co., Ltd.
Experts' Choice
Located in the "China Hardware Products Industry Base" - Xiaolan Town, Zhongshan City, Guangdong Province, Baishun Hardware has been deeply involved in the field of precision manufacturing for more than 20 years. It is a modern manufacturing enterprise integrating R&D, production and sales. With ISO9001 international quality system certification and intelligent production management system, it continues to provide high-precision hardware solutions for customers worldwide.
Professional fields
Quality commitment
Win-win cooperation
√ 3D Wire bending
√ High-precision Spring
√ Metal Stamping
√ CNC workshop
√ High-precision Spring
√ Metal Stamping
√ CNC workshop
"3M quality management system":
Material / Machining / Measurement
"5S enterprise management method":
Seiri / Seiton / Seiso / Seiketsu / Shitsuke
Material / Machining / Measurement
"5S enterprise management method":
Seiri / Seiton / Seiso / Seiketsu / Shitsuke
Fast proofing of drawings/samples
Small batch production
Professional solutions
Small batch production
Professional solutions
Advantages
√ Intelligent manufacturing:
equipped with 3D wire forming machines, computer spring machines, stamping production lines and CNC machining centers
√ Industry-leading laboratories:
spring torsion/tension and compression testing machines, salt spray tests, precision hardness testers and other testing equipment to ensure that products pass industry standards and customer-specific requirements
√ one-stop service:
from mold design, production to surface treatment
equipped with 3D wire forming machines, computer spring machines, stamping production lines and CNC machining centers
√ Industry-leading laboratories:
spring torsion/tension and compression testing machines, salt spray tests, precision hardness testers and other testing equipment to ensure that products pass industry standards and customer-specific requirements
√ one-stop service:
from mold design, production to surface treatment
We sincerely invite global partners to visit the factory
Let us work together to create more good & competitive hardware products!
Let us work together to create more good & competitive hardware products!


FAQ
Q1: Can I custom made my products?
A: Yes. We provide the OEM ODM services.
You can provide drawings or samples, we can produce them accordingly. Or you tell us your idea, we create a design drawing.
Q2: What is the MOQ?
A: If the products you want are what we are producing or in stock, it is quick delivery and no MOQ.
If you want to custom, also no MOQ, just different prices for different quantity.
Q3: How do I know your quality?
A: Through pictures, videos, customer reviews, or we can send you samples.
Q4: How long will it take for me to get a price?
A: We will respond within 1 hour from Monday to Saturday.
Q5: How long is the delivery time?
A: Regular items are shipped within 7 days. Customized products normally 10-30 days accordingly.
Q6: Why choose us?
A: We are a leading manufacturer with over 20 years of experience in customized metal parts.
We have wire forming department, computerized spring department, stamping department, CNC department,
welding department, QC and tools modes department, ect.
We focus on creating high quality, durable, reliable hardware accessories to meet your unique specifications.
Q7: How do I place an order?
A: Just contact us, send inquiry or email/call us.
You can provide drawings or samples, we can produce them accordingly. Or you tell us your idea, we create a design drawing.
Q2: What is the MOQ?
A: If the products you want are what we are producing or in stock, it is quick delivery and no MOQ.
If you want to custom, also no MOQ, just different prices for different quantity.
Q3: How do I know your quality?
A: Through pictures, videos, customer reviews, or we can send you samples.
Q4: How long will it take for me to get a price?
A: We will respond within 1 hour from Monday to Saturday.
Q5: How long is the delivery time?
A: Regular items are shipped within 7 days. Customized products normally 10-30 days accordingly.
Q6: Why choose us?
A: We are a leading manufacturer with over 20 years of experience in customized metal parts.
We have wire forming department, computerized spring department, stamping department, CNC department,
welding department, QC and tools modes department, ect.
We focus on creating high quality, durable, reliable hardware accessories to meet your unique specifications.
Q7: How do I place an order?
A: Just contact us, send inquiry or email/call us.
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