220mm x 60mm rolling shutter door part spring box

Model:	220 x 60
Brand:	SINOX
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Flat & Rolled Metallic Materials
Label:	rolling shutter door , spring box , steel box
Price:	US $3 / pc
Min. Order:	500 pc

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Product Description

Ball: Iron Ball Or Nylon Ball

Mateial: Steel Plate

Process: Stamping

Surface: Galvanized

Inner diameter: 42mm, 48mm, 50mm, 60mm, 76mm

Outer diameter: 200mm, 205mm, 220mm, 240mm

Spring width: 38mm, 40mm, 60mm, 75mm

Suitable Relax Width: 3-5m

Material thickness: 0.8 x 1.0 x 1.2mm and 1.0 x 1.2 x 1.5mm