Chinese Factory Heavy Load Extension Spring Black Oil Steel Garage Door Torsion Spring

• Customization: Available
• Function: Pressed
• Material: Steel
• Model NO.: garage door torsion spring
• Usage: Industrial, Auto, Motorcycle, Home Appliance, Garage Door
• Load Type: Torsion
• Production Process: Hot Roll
• Shape: Garage Door Torsion Spring
• Type: Assembled Torsion Spring
• Item;: Mas017
• Place of Origin: Wuxi City, Jiangsu
• Brand Name: Master
• Certification: CE
• Minimum Order Quantity: 10 PCS/Pieces
• Packaging Details: Packed in Crates or Pallets
• Delivery Time: According to Order Quantity
• Transport Package: Pallet
• Specification: CE Approved
• Trademark: Master well
• Origin: China
• HS Code: 730830
• Production Capacity: 500t / Month
• Package Size: 100.00cm * 12.00cm * 6.50cm
• Package Gross Weight: 10.000kg

Product Description

Product Description

Warranty	5 years
Place of Origin	Jiangsu, China
Brand Name	Master Well
Model Number	Customized
Type	Residential & Industrial
Product name	Garage door torsion spring
Inner Diameter	1 3/4'', 2'', 2 5/8'', 3 3/4'',5 1/4", 6"
Wire size	207/218/225/234/243/250
Material	Carbon steel / Manganese steel
Finished	Anti-rust oil Dacromet coating/Electrophpresis coating/Powder coated
Package	Wooden case
Function	For sectional door use
Certificate	CE, ISO9001
Hardware System	USA / EU standard
Supply Ability	500 Ton/Tons per month
Operating Cycles	10000 Times

Material Composition-72A 82B 65Mn

Code	C	Si	Mn	S
72A	0.70-0.75	0.12-0.32	0.30-0.60	≤0.025
82B	0.80-0.85	0.12-0.32	0.60-0.90	≤0.025
65Mn	0.62-0.70	0.17-0.37	0.90-1.2	≤0.035

Surface Treatment

Releted Hardware

Hardware kit

Packing & Delivery

Company Profile

Relying on our excellent business performance and R&D, we have exported more than 120 countries and regions. And we are now growing up to about 100 people work team, including International Sales Department, Domestic Sales Department, Purchase Department, Financial Department, Human Resource Department and Research and Development. We are always ready to provide the professinal service for you.

Certifications

FAQ

Q1: What is your MOQ?
A: 50 pairs for garage door spring. We also suggest wooden cases package for protection during shipment.

Q2: What is the Max available size of the panels?
A: The max length of panels can be 6M. The max width of panels is 610mm, adjustable.

Q3: Can you do the full set products according to my project drawing?
A: Yes, our engineers will check your engineering drawings to ensure the accuracy of each different accessory and quantity.

Q4: Can I get a sample of glass garage door for quality check?
A: Sample is available. 

Q5: How can I get a price of needed glass garage door?
A: Please give the exactly size and quantity of your required door. We can give you a detail quotation based on your requirements.

Q6: What kind of payment terms would you accept?
A: We usually accept T/T, L/C, Western Union, etc. If you prefer other payments terms, please feel free to discuss with us.

Q7: We want to be your agent of our area. How to apply for this?
A: Please send your idea and your profile to any e-mails of us. Let's cooperate.

Q8: How to install your product, is it difficult?
A: Easy to install, just screw, no welding.If you need, installation video can be supplied. And you can contact our salesman if
you have any question. Of course we can offer on-site installation guide services if you need.

Q9: Do you produce other products? Do you also produce accessories?
A: Yes, we also produce Garage door, Industrial door, High speed door, Rolling shutter door, Dock leveller, Dock seal, Motor&Gate
openers. We produce parts by ourselves in order to control quality and cost.

Q10: Could you send me the price list?
A: Yes, the product is not standard, the size is customized according to your requirements, I can provide a regular size
quotation.