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Door Closing Spring

US$0.20-1.20 / Piece

60si2mn Oil-Coated Compression Springs for Bi-Fold Doors pictures & photos

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How to Make 60si2mn Oil-Coated Compression Springs for Bi-Fold Doors

Name: 60si2mn Oil-Coated Compression Springs for Bi-Fold Doors
Uploaded: 2026-01-05T02:47:13+08:00
Description: Product Description 60si2mn oil-coated compression springs for bi-fold doors Helically wound metal springs made of round metal wire. Types of metal wire may vary in type and size. #1 ATTN: Read This B

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About this Item

Price

Min. Order Reference FOB Price

10,000 Pieces US$0.20-1.20 / Piece

Sepcifications

Function Pressed, Buffer
Material Alloy
Usage Industrial, Auto, Motorcycle, Home Appliance
Load Type Compression
Production Process Cold Roll
Shape Coil
Transport Package Carton and Outer Wooden Case
Specification customized
Trademark DOFO
Origin Wenzhou, China
Product Name Bi-Fold Door Compression Spring
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 Customized Shapes Available
Surface Treatment Electrophoresis
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 60si2mn oil-coated compression springs for bi-fold doors Helically wound metal springs made of round metal wire. Types of metal wire may vary in type and size. #1 ATTN: Read This Before Buying A. Due to the internet and computer display solutions. The actual products may ...

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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 ...
Year of Establishment 1999-05-27
Number of Employees 97
Address No. 11 Jing Five Road, Yueqing Economic Development Area, Yueqing, Wenzhou, Zhejiang, China

Door Closing Spring Comparison

	60si2mn Oil-Coated Compression Springs for Bi-Fold Doors Contact Now	LED Light Industry Wire Form Loaded Clip Springs Torsion Spring for Downlights Contact Now	Quick View Premium Stainless Steel Garage Door Tension Spring with Anti-Rust Design for Long-Lasting Durability Contact Now	Quick View Customizable Garage Door Tension Spring for Residential and Industrial Applications Versatile Use Contact Now	Quick View High-Strength Garage Door Tension Spring for Balanced and Quiet Functionality Contact Now

Transaction Info
	60si2mn Oil-Coated Compression Springs for Bi-Fold Doors Contact Now	LED Light Industry Wire Form Loaded Clip Springs Torsion Spring for Downlights Contact Now	Quick View Premium Stainless Steel Garage Door Tension Spring with Anti-Rust Design for Long-Lasting Durability Contact Now	Quick View Customizable Garage Door Tension Spring for Residential and Industrial Applications Versatile Use Contact Now	Quick View High-Strength Garage Door Tension Spring for Balanced and Quiet Functionality Contact Now
Price	US$0.20-1.20 / Piece	US$0.02-0.20 / Piece	US$1.20-4.90 / Piece	US$1.20-4.90 / Piece	US$1.20-4.90 / Piece
Min Order	10,000 Pieces	10,000 Pieces	500 Pieces	500 Pieces	500 Pieces
Payment Terms	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T	-	-	-
Quality Control
Product Certification	ISO9001, SGS, RoHS, CE, Ts16949	-	-	-	-
Management System Certification	-	-	-	-	-
Trade Capacity
Export Markets	Southeast Asia/ Mideast, Australia	North America, South America, Europe	North America, Southeast Asia, Africa, Mid East, Western Europe	North America, Southeast Asia, Africa, Mid East, Western Europe	North America, Southeast Asia, Africa, Mid East, Western Europe
Annual Export Revenue	-	-	-	-	-
Business Model	ODM	ODM, OEM	-	-	-
Average Lead Time	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month	Peak Season Lead Time: one month Off Season Lead Time: one month
Product Attributes
Specification	Function: Pressed, Buffer; Material: Alloy; Usage: Industrial, Auto, Motorcycle, Home Appliance; Load Type: Compression; Production Process: Cold Roll; Shape: Coil; Product Name: Bi-Fold Door Compression Spring; 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: Customized Shapes Available; Surface Treatment: Electrophoresis; 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; Material: Stainless Steel; Usage: Lighting; Load Type: Extension; Production Process: Cold Roll; Shape: Customized;	Function: Drive; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Hot Roll; Shape: Spiral; Packaging Details: Cartons and Pallets; Delivery Time: According to Order Quantity; Application: Garage Doors; MOQ: 500kg;	Function: Drive; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Hot Roll; Shape: Spiral; Packaging Details: Cartons and Pallets; Delivery Time: According to Order Quantity; Application: Garage Doors; MOQ: 500kg;	Function: Drive; Material: Steel; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Hot Roll; Shape: Spiral; Packaging Details: Cartons and Pallets; Delivery Time: According to Order Quantity; Application: Garage Doors; MOQ: 500kg;
Supplier Name	Yueqing Dofo Spring Manufacturing Co., Ltd.	Ningbo Easting Tech Co., Ltd.	NHentrance Co., Ltd.	NHentrance Co., Ltd.	NHentrance Co., Ltd.
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