A heavy-duty extension spring is a mechanical element designed for applications requiring higher elasticity and load-bearing capacity. Its powerful characteristics make it ideal for many heavy-duty industrial and mechanical systems. Heavy-duty extension springs focus on providing excellent load-bearing capacity and are suitable for applications that need to withstand high loads and pressures, such as large machinery and industrial production lines. Manufacturing materials typically use high-strength and corrosion-resistant alloy steel to ensure resilience and performance over time in harsh environments. Due to their rugged design and material selection, heavy-duty extension springs have a long service life, reducing maintenance costs and downtime. In the fields of excavation machinery, construction equipment, bridge structures, etc., heavy-duty extension springs are widely used to provide reliable support for various challenging projects. Heavy-duty extension springs play a key role in many areas, supporting heavy-duty industrial and mechanical systems through their superior performance and reliability. Its superior design and high degree of customization make it an indispensable component in various engineering projects.
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Material Option |
heavy duty extension spring |
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Wire Diameter |
ø0.10-ø8.00mm |
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Customizable |
Can made your drawings ,sample and dimension |
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Surface Treatment |
Nickel plating, chrome plating, Color zinc plating, black, ball spraying, Apply oil , Passivating, paint ,electrophoresis, Silver plating etc. It also can be environmentally friendly or as customer's need |
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Application |
Hardware, Aviation, Motorbike, Bicycle, Furniture, Plastic parts, Toy, Automotive, Electro communication, Lamps and Lanterns, Clamp, Switch, Mirror, Gift, Medical equipments, Molds, Home appliances, Cameras, Printers and other industries |
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Processing Craft |
Material purchased→Production→Heat treatment→Surface treatment→Check→Package→Shipping |
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Heat treatment |
Stress relieving, Tempering, Quenching ,Carburizing |
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Certification |
ISO 9001, SGS, RoHS, TS16949, ISO13485,ISO14001 |
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Lead Time |
5-20 workdays based on MOQ |
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Package |
PE bags, Cartons, Pallets, Blister box, Customized designs and specifications are accepted |
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Type of shipping |
International express by DHL, UPS, FedEx etc, FOB HK or Shenzhen |
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Payment term |
Telegraphic Transfer(TT,T/T);Advance TT,T/T |
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Warranty |
100% return goods or refund payment if quality problem |
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