Tension Spring of High Quality
USD $0.5 - $1.3 /Piece
Min.Order:500 Pieces
Tianjin Wangxia Spring Co., Ltd.
Tension Spring of High Quality
Features of extension spring
Each coil of extension spring close together and there are pull-tabs at both ends for puling easily. Extension spring possess initial tension which is used to keep the spring coil of pull-tabs closed.
Initial tension only changes in a limited range so as to realize expected load characteristics. Other characteristics, such as diameter, aperture of pull-tab can be customized to ensure that it will meet the customer’s accurately.
Detailed Information About the Spring | |
Material | Stainless steel, carbon steel, spring steel, alloy spring steel, refractory steel, brass, bronze, etc |
Load type | extension |
Finish | Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated, and as customers request |
Advantage | High quality, competitive prices, first-class fully automatic production equipment , safe package and prompt delivery . |
Application | industrial equipment,electronic devices,etc |
Payment terms | T/T, L/C,WU |
Lead-time | 15 days |
Packaging | Inner plastic bag, outer carton box, and advised by customer. |
Certification | ISO9001:2008 ,ISO14001and ROHs |
Equipments | Advanced CNC computer spring machines with high precision and efficiency |
Technology | Experienced engineers ,technicians and Skilled Workers; |
Inside diameter | As your request |
Outside diameter | 1 mm and above. |
Free length | The overall length of a spring in the unloaded position. |
Total coils | The total number of coils including the active coils,the top and bottom ends |
Active Coils | The coils which are free to deflect under a force. |
Wire diameter | 0.01~ 10mm |
Style of Ends | Open / Closed;ground or not |
Load | Our computer program can assist you on the load design. |
Our Factory :
ANY QUESTION , PLEASE FEEL FREE TO CONTACT ME .