Application: Garage Doors, Rolling Doors, Industrial Roll Up doors, Commercial Rolling Doors, Shutter Doors, Windows, Sectional Doors, Over Head Doors, Sliding Gates, etc.

Product Type: Rolling Door Spring, Garage Door Spring, Roller Shutter Spring, Shutter Door Spring, Roll Up Door Spring, Rolling Gate Spring, Rolling Door Conical Spring, Conical Spring, Bullet Spring, Tower Spring.

Production Information：

Product Name:	VTRS-09 Rolling Door Conical Spring
Model No.:	VTRS-09
Material:	82B high carbon manganese steel
Wire Diameter:	4.5mm, 5.0mm, 5.5mm, 6mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm
Outer Diameter:	50-100mm
Length:	500mm, or customized
Color:	Black / White / Orange / Customized
Load Type:	Torsion
Surface Treatment:	Rust-proof oil + powder coated
Packing:	5 pcs / 10 pcs per bag/box, with pallet
Supply Ability:	100,000 pcs per month
MOQ:	200pcs

● Technical Requirement:

1. Double ear conical torsion spring.

2. Steel wires are made from 82B high carbon manganese steel, have the advantages of high strength and high toughness, wear resistance and corrosion resistance with long lifespan.

3. Spring diameters are chosen according to customers’ requirements.
4. Total Length & total number of coils are customized.

5. Standard color is black, other colors can be customized.

Xiamen Vigor Technology Co., Ltd.

VTRS-09 Rolling Door Conical Spring