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Tension 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. | ![]() |
spring for vending machine | |
Material | Stainless steel, carbon steel, spring steel, alloy spring steel, refractory steel, brass, bronze, etc |
Wire diameter | 0.01~ 10mm |
Finish | Zinc, nickel, chrome, silver, gold, imitation gold plating, and as customers request |
Advantage | High quality, competitive prices, first-class fully automatic production equipment , safe package and prompt delivery |
Application | All kinds of cars, machinery, home appliance, electronic products, electric appliance, stationery, computers, power switches, miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment and gifts, and more |
Technology | Experienced engineers ,technicians and Skilled Workers |
Style of Ends | Circle shackle/single shackle/side pull-tab/extension retractor |
Load | Yisen’s computer program can assist you based on the load design |
spring for vending machine Design

For tension spring inquiry, please send us specification as showing in above drawing.
If you don’t know how to design a spring or lack of the information which is required, it's ok. Please contact our sales team directly, we will provide you with most suitable suggestion for your products.
spring for vending machine



spring for vending machine Package
Packaging: innner plastic bags, outer carton box, we can also make it as you requirement.

Shipping
1. Express---DHL, UPS, Fedex, EMS, TNT
2. Sea transportation
3. Also as customer request
| Dongguan City Yisen Precision Spring Co., Ltd. (Since 1998) is a high technology hardware company, and has been specializing in designing and manufacturing springs, hardware and spring making machines. We've gained worldwide customers' trust with our high design level, top class quality, high grade services and competitive prices, which make us become the supplier for many famous companies in many business lines in the world. We aim to provide you with the best quality products and the most valuable services! | ![]() |
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