Hangzhou bluesteel machine co., ltd
Hangzhou bluesteel machine Co., Ltd . forming the machine,creating the future
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Product discription:
• 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.
Specifications:
| Products Name | Torsion spring for roller shutter door brake spring |
| Raw Material | spring steel, carbon steel, 65Mn, 72C,82C |
| Wire Diameter | 0.1-8mm |
| Surface treatment | Zinc,Nickel,Silver,Golden,Tin-plated, Galvanized (Various of color), dacromet, blackened, phosphating |
| Quality | High Quality |
| MOQ | 1000PCS |
| Processing craft | Material purchased-production-heat treatment- treatment-quality detection-package-shipping |
| Equipments | Advanced CNC spring machinery, grinding and shot peening machinery,Precise tensile strength testers, and magnetic powder flaw detectors |
| Standard: | ISO, Non-standard,OEM |
| Strong Engineering Team | Accurately read drawing,offer competitive price and gurantee good qualitly products |
| Service | All the services/High quality service |
| Packing | plastic bags, boxs or pallet or customer request |
| Delivery time | 7~15 Days after order confirmed |
Usage:
Torsion spring used in automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment, daily living equipment, electronic sports equipment, light industry products, sanitation machinery.
