Large Springs

US$0.20 - 1.00 / Piece

4.5 mm High Tension Long Life Waisted Coil Spring Extensions pictures & photos

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What is 4.5 mm High Tension Long Life Waisted Coil Spring Extensions

Name: 4.5 mm High Tension Long Life Waisted Coil Spring Extensions
Uploaded: 2025-11-06T18:05:56+08:00
Description: Product Description 4.5 mm spring steel high tension long life waisted coil spring extensions Large springs are categorized as heavy-duty springs since the wire diameter is from 1/8" inch to 1" inch i

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Price

Min. Order Reference FOB Price

10,000 Pieces US$0.20 - 1.00 / Piece

Sepcifications

Function Pressed, Buffer
Material Steel
Usage Industrial, Auto, Motorcycle, Home Appliance
Load Type Extension
Production Process Cold Roll
Shape Coil
Transport Package Carton and Outer Wooden Case
Specification customized
Trademark DOFO
Origin Wenzhou, China
Product Name Coil Spring Extension
Business Mode Factory OEM
Material Standard GB 4357-09 or Equivalent
Wire Range From Min 0.1mm(0.004inch) to Max 12mm(0.48inch)
Winding Direction Left and Right
End Type Different Hooks Available
Surface Treatment Trivalent Zinc Coating
Coating Thickness 8~10 Micrometer
Testing Method Random Sample Inspection
Tolerance GB Standard, Grade II or as Per Your Requirement
Spring Rate Tolerance +-3%~10%
Aql Level Aql 1.0
Packing Method OPP Bags with Blank Carton
Normal Carton Size 23X23X31/Cm with No Mark
Certificate ISO9001, SGS, RoHS, CE, Ts16949

Product Description

Product Description 4.5 mm spring steel high tension long life waisted coil spring extensions Large springs are categorized as heavy-duty springs since the wire diameter is from 1/8" inch to 1" inch in size. These big springs release a tremendous amount of more force than regular springs. Large ...

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Yueqing Dofo Spring Manufacturing Co., Ltd.

Diamond Member Since 2020

Audited Supplier

Business Type Manufacturer/Factory & Trading Company
Main Products Compression Spring, Extension Spring, Automotive Parts Spring, Torsion Spring, Stainless Steel Spring, Trampoline Spring, Alloy Steel Spring, Switch Spring, Mining Machine Spring, Disc Spring
Number of Employees 97
Year of Establishment 1999-05-27
Management System Certification ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, IATF16949
Average Lead Time Peak Season Lead Time: one month
Off Season Lead Time: one month

Large Springs Comparison

	4.5 mm High Tension Long Life Waisted Coil Spring Extensions Contact Now	Quick View Customized Carbon Steel Coating Greenhouse Spring Clip Contact Now	Quick View Car Electric Trunk Spring Customized Car Trunk Support Spring Contact Now	Quick View Heli Spring OEM Custom Galvanized Trampoline Spring Contact Now	Quick View Heli Spring Customized Stainless Wire Steel Bending Forming Parts Spring Contact Now

Transaction Info
	4.5 mm High Tension Long Life Waisted Coil Spring Extensions Contact Now	Quick View Customized Carbon Steel Coating Greenhouse Spring Clip Contact Now	Quick View Car Electric Trunk Spring Customized Car Trunk Support Spring Contact Now	Quick View Heli Spring OEM Custom Galvanized Trampoline Spring Contact Now	Quick View Heli Spring Customized Stainless Wire Steel Bending Forming Parts Spring Contact Now
Price	US$0.20 - 1.00 / Piece	US$0.05 - 5.00 / Piece	US$4.00 - 6.00 / Piece	US$0.05 - 5.00 / Piece	US$0.05 - 5.00 / Piece
Min Order	10,000 Pieces	1 Piece	5,000 Pieces	1 Piece	1 Piece
Payment Terms	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, Western Union, PayPal, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, Western Union, PayPal, Small-amount payment	LC, T/T, D/P, Western Union, PayPal, Small-amount payment
Quality Control
Product Certification	ISO9001, SGS, RoHS, CE, Ts16949	-	-	-	-
Management System Certification	-	Others	-	Others	Others
Trade Capacity
Export Markets	Southeast Asia/ Mideast, Australia	North America, South America, Europe, Southeast Asia/ Mideast, Africa	North America, South America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South Korea), Australia, Domestic	North America, South America, Europe, Southeast Asia/ Mideast, Africa	North America, South America, Europe, Southeast Asia/ Mideast, Africa
Annual Export Revenue	-	-	15,000,000 RMB	-	-
Business Model	ODM	Own Brand, ODM, OEM	Own Brand, ODM, OEM	Own Brand, ODM, OEM	Own Brand, ODM, OEM
Average Lead Time	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays	Peak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Product Attributes
Specification	Function: Pressed, Buffer; Material: Steel; Usage: Industrial, Auto, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Cold Roll; Shape: Coil; Product Name: Coil Spring Extension; Business Mode: Factory OEM; Material Standard: GB 4357-09 or Equivalent; Wire Range: From Min 0.1mm(0.004inch) to Max 12mm(0.48inch); Winding Direction: Left and Right; End Type: Different Hooks Available; Surface Treatment: Trivalent Zinc Coating; Coating Thickness: 8~10 Micrometer; Testing Method: Random Sample Inspection; Tolerance: GB Standard, Grade II or as Per Your Requirement; Spring Rate Tolerance: +-3%~10%; Aql Level: Aql 1.0; Packing Method: OPP Bags with Blank Carton; Normal Carton Size: 23X23X31/Cm with No Mark;	Function: Pressed, Buffer; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Torsion; Production Process: Cold Roll; Shape: Coil; Keywords: Keywords; Service: OEM ODM; Function1: Height Adjust; Quality Control: 100%Inspection;	Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Compression; Production Process: Cold Roll; Shape: Coil; Applications: Tailgate; Intsall Way: Trunk Lids;	Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Cold Roll; Shape: Cylinder; Keywords: Keywords; Service: OEM ODM; Function1: Height Adjust; Quality Control: 100%Inspection;	Function: Pressed, Phonation, Buffer, Drive, Restoration, Measurement; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Cold Roll; Shape: Cylinder; Quality Control: 100%Inspection; Function1: Height Adjust; Service: OEM ODM; Keywords: Keywords;
Supplier Name	Yueqing Dofo Spring Manufacturing Co., Ltd.	Wenzhou Heli Spring Manufacture Co., Ltd.	Qufu Temb Automotive Electric Co., Ltd.	Wenzhou Heli Spring Manufacture Co., Ltd.	Wenzhou Heli Spring Manufacture Co., Ltd.
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