Rollup shutter spring box

Specifications

Rollup shutter Iron beads spring box with ring +hook ,matched with Roller Shutter Door,galvanized in silvery. 

Jiaxing Jinnaike Hardware Products Co.,Ltd., a leading worldwide manufacturer in China since originally1995, specializes in manufacturing gate, door,and fence’s accessories hardware which is used for sliding gate, swing gate, sliding cantilever gate, sliding door, folding door and electric retractable door, fence etc.

We specialize in manufacturing: 1. Sliding Gate Wheel, Gate Track, Sliding Gate Track Catcher. 2. Cantilever Gate Wheel, Cantilever Gate Channel, Gate End Stopper, Gate Stop, Guide Roller Bracket, Gate Guide Wheel,  End Cap for the Cantilever Gate. 3. Hanger Roller, Hanger Roller Channel 4. Nylon Roller 5. Gate Latch; 6. Gate Hinge, Welding Gate Hinges, Hinges for Wooden Gate 7. Post Cap 8. Lock Body Case 9. Gear Rack: Nylon Gear Rack, Steel Gear Rack 10. Spring Box 11. Folding Door Accessoies etc.

Descriptions:

1. Spring box are used for the Rolling Shutter Door, Garage Door .

2. Made of general Q235 steel plate give to quality and durability.

3. Surface alvanized in silvery , which make the wheels perfectly resistant to fight against rust.

4. The existing exterior diamaters come in 200mm, 220mm,240mm,260mm.

5. Interior diameter:  42mm 48mm 60mm .

6. We also supply  hooks which used for the Spring Box.

Specifications:

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