Application: Shutter Doors, Garage Doors, Rolling Doors, Industrial Roll Up doors, Commercial Rolling 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, Torsion Spring.

Production Information:

Product Name:	VTRS-01 Shutter Door Torsion Spring
Model No.:	VTRS-01
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. Single ear 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-01 Shutter Door Torsion Spring