Wholesale High Quality Galvanized Garage Door Torsion Spring
HIGH QUALITY
• Made of heat-treated professional spring steel coils with aluminum cones to make sure they are extremely heavy duty.
• The latest electrophoretic coating technology provide excellent corrosion proof performance and superior abrasion proof performance.
• Salt spray tests up to 300 Hours, and Minimum 16,000 Cycles.
• NEVER need to lubricate the spring, keep hands clean during installation
| Product name | Wholesale High Quality Galvanized Garage Door Torsion Spring |
| Material | ASTM A229 (82B) |
| Wire size | 0.207/0.218/0.225/0.250/0.262/0.273/0.283/0.295 |
| Inner Diameter | 1 3/4'', 2'', 2 5/8'', 3 3/4''，5 1/4”, 6” |
| Finished | Oil Tempered /Galvanized /Black coated |
| Package | Wooden Case /Crate Boxes |
| Certificate | ISO9001：2008 |
| Capicity | 1000 Ton /Per month |
| Life Cycles | 10000-18000 Times |
| Usage | Residential Sectional Garage Doors/Commercial Sectional Overhead Doors |
Company Introduction
Our Company Was Founded In 2005 And Is Located In Jinghai County, Tianjin, China. We Are Very Convenient For Transportation East Of Tianjin Port. Our Company Is A Professional Manufacturer Which Combines A Set Of Spring Manufacturing, R & D With Surface Treatment. More 20+ Years Of History, Our Company Has A Variety Of Automatic Computer Spring Coiling Machines, Computer Spring Grinding Machines, Continuous Mesh Belt Quenching Furnaces, Furnaces, Spring Tensions, Compression Testing Machines, Spring Fatigue Testing Machines, Hot Coil Spring Equipment, Production Testing Equipment, And Advanced Production Technology. We Have Been Specializing In The Main Production Of Various Compression Springs, Garage Door Extension Springs, ,Garage Door Torsion Springs, Roller Door Torsion Spring. Disc Spring Ect. We Can Process Steel With The Wire Rought Diameter Of 0.2 - 20mm, And The Compression Spring Wire Diameter Of 20-90mm. We Have 60si2mna,50crva, 82 B ,72 A Sus304 And Other Types Of High-Quality Spring Steel, Which Are Widely Used For The Garage Door Hardware . Mining Machinery, Crushing Won Numerous Customers' Recognition.
Welcome Domestic And Foreign Customers To Discuss Business!
Drawing
Packing
