Stainless Steel 304 Double Loop Extension Spring 3mm Large Diameter

Basic Information
Place of Origin: China
Brand Name: HEZHI
Certification: Rohs&Reach
Model Number: N/A
Minimum Order Quantity: 1000pcs
Price: $0.15 - $0.6USD/ Piece/Pieces
Packaging Details: PE Bag with Carton Box
Delivery Time: 7-15 work days
Payment Terms: T/T, L/C
Supply Ability: 10,000,000 Piece/Pieces per Month According to the order
Detail Information
Product Name: China Supplier Stainless Steel 304 3mm Large Diameter Double Loop Extension Springs Application: Hardware/ Automobile
Size: As Your Custom Usage: Machine Parts
Wire Dia: 0.05-20.0mm Material: Steel, Alloy, Copper, Music Wire, Aluminum Etc
Finish: White Zinc Plating, Nickel Plating Or Customized Color: White, Black, Silver, Gold Or As Required
Shipping: By Sea/express Or As Your Request Quality Control: 100% Inspection
High Light:

SUS304 Double Loop Extension Spring


3mm Double Loop Extension Spring


3mm Large Diameter Tension Coil Spring

Product Description

China Supplier Stainless Steel 304 3mm Large Diameter Double Loop Extension Springs



Extension Spring, also known as spiral stretching spring, is generally equal pitch, the cross-section is round, they can be used in many occasions, such as production and assembly, experiment, research and development, maintenance, etc.. Tension springs occupy an important position in the global market, widely used in national defense, Marine, computer, electronics, automobile, mold, medicine, biochemistry, aerospace, railway, nuclear power, wind power, thermal power, construction machinery, mining machinery, construction machinery, elevator and other fields.

Material Stainless Steel (SUS304,301.316,310,201,631, ect)
Paino/Music Steel
Carbon Steel or as your requirments
Iron etc
Finished Electroplating Zinc ,Nickel ,copper ,black and so on
Heating In different tempurture
Cleanning Passivation,Clean,Rust-Proof
Process CNC Machine
Application used in computer, electronics, home appliances, cameras, instruments, doors, motorcycles, harvesters, automobiles, and other industries to control the movement of machine parts, ease impact or vibration, storage energy, measure the size of force and so on!
Wire diameter Range 0.05mm-20mm
Design According to customer's drawing or sample
Packaging PE Bag+carton Box, inner plastic bags and outer carton



















Stainless Steel 304 Double Loop Extension Spring 3mm Large Diameter 0

Material Type Model number Characteristic Application
Stainless Steel (SUS) With or without magnetism shine or nitrided surface, dark surface 201, 202 etc. Less nickel plated, could not proceed salt spray test General using craft and toys
301, 302, 303, 304, 305, 310, 316, 321 High temperature resistance Electronic part, home appliance, Locks, toys or can be used in all kinds of products.
410, 420, 430 etc. High strength OEM aments and tableware products
630, 631 etc. High heat stability Electrical application or product use under high temperature
Carbon Steel (SWC) Low carbon steel, high carbon steel, nickel plated steel, Galvanized wire 55CrSi, 60SizMNA, 60SizCRVA

Good elasticity

high hardness

Electronic part, home appliance, Locks, toys or can be used in all kinds of products.
Piano Steel (SWP)   SWP-A, SWP-B High tensile resistance, and long worklife Application for all kinds of small products
Copper Wire Phosph or copper wire( C519R), Nickel plated copper, Bronze   Good conductivity of electrical Electronics, electrical applicance, like antenna
Iron Galvanize iron wire Customized or normal material Soft material Craft spring, decoration wire



Reference Drawing


Stainless Steel 304 Double Loop Extension Spring 3mm Large Diameter 1



1. What is a tension spring?
Tension springs are wound helical coils that are wrapped tightly together to create tension. Also called extension springs,
tension springs provide extended force when the spring is pulled apart from its original length.

2. What is the difference between a compression spring and a tension spring?
Although a tension and compression spring are both helical coiled springs, the difference in their functionality and purpose can be significant. In essence, tension springs are designed to bring components together, whilst compression springs are made to keep components apart.
3. What are the 3 types of springs?
Again, there are three classes of springs: linear (or constant rate) springs, variable rate springs, and constant force springs.
4. Do springs have tension?
The spring is designed to operate with a tension load, so the spring stretches as the load is applied to it. Compression spring. Designed to operate with a compression load, so the spring gets shorter as the load is applied to it. Torsion spring.
5. What are the 4 types of springs?
Different types of springs: compression, extension, torsion, & constant force springs.
6. What material is a tension spring?
Even though tension springs differ from compression springs, they are usually made from similar materials including copper, titanium and steel. Steel is the most durable of these, and there are different types of steel used, such as; stainless, cold rolled and alloy steel.
7. How do torsion springs work?
A torsion spring is a spring that works by twisting its end along its axis; that is, a flexible elastic object that stores
mechanical energy when it is twisted. When it is twisted, it exerts a torque in the opposite direction, proportional to the amount (angle) it is twisted.
8. What were the 5 main types of springs?
Different Types of Springs and Their Applications
* Compression Springs. Compression springs are open-coil helical springs with a constant coiled diameter and variable shape that
resists axial compression. ...
* Extension Springs. ...
* Torsion Springs. ...
* Spiral Springs.


Contact Details

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