Heavy Duty Double Torsion Spring Design For Garage Door Adjustable Hook Metal
Customized Adjustable Double Hook Metal Heavy Duty Torsion Spring
A torsion spring is designed to be twisted, unlike a compression spring which is designed to be compressed and
an extension spring which is designed to be extended. Torsion coil springs are often used in 'pop-up' operations
such as are used in digital cameras, CD players and other similar items.
| Model No. | OEM |
| Load Type | Torsion |
| Type | Coil |
| Color | Customer's Demand |
| Wire Diameter |
0.08mm-10mm or Customer's Demand |
| Outside Diameter | Customer's Demand |
| Weight | Customer's Demand |
| Number Of Turns | Customer's Demand |
| Surface Treatment | Blacking, Zinc/Nickel/ Chrome/Silver/Gold Plating, Powder Coated ETC |
| Certifications | ISO9001,IATF16949:2016 |
| Material | Carbon steel(SWC), cold roller steel, stainless steel(SUS), beryllium copper, phosphor copper, brass, music wire or piano wire(SWP), 60Si2Mn, 55CrSi ETC. |
If you have another question, pls feel free to contact us as below:
Q :How can I get the sample to check your quality?
A :After price confirmation, you can require for samples to check our product's quality.
If you just need a blank sample to check the design and quality.
We will provide you sample for free as long as you afford the express freight.
Q :What can I get the price?
A :We usually quote within 24 hours after we get your inquiry.
If you are very urgent to get the price, please tell us in your email so that we will regard you inquiry priority.
Q :What about the lead time for the mass production?
A :Honestly, it depends on the order quantity and the season you place the order.
Q :What is your term of delivery?
A :We accept EXW, FOB Shenzhen.
You can choose the one which is the most convenient or cost effective for you.
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