• Torsion spring surface Finish: zinc plated (trivalent chromium or sexivalent chromium), nickel plated,oxidation plated, plain finish , Black Oxide and so on

• Torsion spring plating: BlackOxided, Zinc,Chrome, Galvanized, Nickel,Dacromet, Delta-Tone, Geomet,Ruspert

• Torsion spring packing: as you required

• Torsion spring sample lead time: within 7—10 days

• We also could produce according to buyer's drawing or samples/Non standardcompression springs.

Material	High carbon steel : 77B / 82B
Wire diameter	5 mm /5.5mm /5mm /6.5mm /7mm /7.5 mm-9.5mm
Inside diameter	50.8mm -152mm
Outer diameter	325mm - 3500 mm
Surface	Oiled Tempered / Black coated/Corrosion resistant
Usage	Rolling door / garage door / industrial /Furniture/Sectional overhead door

Product Tags:

Torque Force Roller Door Spring , Garage Torsion Spring For Garage Doors

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