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[China]
Trade Verify
Address: xiaoshan economic area,xiaoshan,hangzhou,zhejiang province,China.
Contact name:lily
Hangzhou bluesteel machine co., ltd |
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Verified Suppliers
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SGS / CE Passed Torsion Spring For Roller Shutter Door Brake Springs
• Torsion spring material: Carbon steel & Stainless steel&sSpring steel
• Torsion spring wire dia:0.1-8mm
• Torsion spring size: all size/AS you required
• Torsion spring surface Finish: zinc plated (trivalent chromium or sexivalent chromium), nickel plated,oxidation plated, plain finish , Black Oxide and so on
• Torsion spring plating: BlackOxided, Zinc,Chrome, Galvanized, Nickel,Dacromet, Delta-Tone, Geomet,Ruspert
• Torsion spring packing: as you required
• Torsion spring sample lead time: within 7—10 days
• We also could produce according to buyer's drawing or samples/Non standardcompression springs.
| Model | Roller Door Spring |
| Material | High-Carbon Steel |
| Dimesions(mm) | Ply 6.0 / 7.0 / 8.0mm OD=65mm/90mm |
| MOQ | 500 pc |
| Product Name | Manufacturer custom garage door pull roller shutter torsion spring lowes for industrial |
| Sample | Free to send you If have stock |
| Packing | Inner---PE Bag; Outer -- Carton Box. |
| Material | Spring steel,65Mn,60Si2Mn ,stainless steel 201,301,304,316,603
Brass,bronze, SECC,SPCC,aluminum,aluminum alloy, stainless steel, nitinol,titaniumtim etc. |
| Surface treatment | Galvanize,Zinc,Nickel,Chrome plating, electrophoresis,painting,CNC milling, laser engraving& laser welding, sand-blasting, polishing, hairline brushing, spraying, anodizing, diamond cutting & high bright, printing, electro-deposition etc. |
| Usage | Automatic machine, Medical device, Industrial machine, Automoblie,
Electric a appliance, Pulic equipment, etc |
| Quality control | Acoording to ROHS and SGS,conducted by ISO9001:2008 |
| Euipments | Laser Cutting Machine/CNC Shearing Machine/Flat Bed Spot-welder/Die Grinder/Steel Processing Machine/Double Servo Turret-type Punch Press/Banding Machine/Steel Processing Machine/etc. |
| Testing Lists | Coordinate measuring machine,, Technical projector, Salt spray tester, HTHH test, Abrasion tester etc. |
Applications:
Garage door springs counterbalance the weight of the door to make it easy to open and close. They serve the same purpose of counter weights used to balance doors in centuries past and in many doors today.
applications of our torsion springs:
