Commodity

Torsion spring

Place of Origin

 China (mainland) 

Materials

Steel (Mn)

Load type

Torsion

Model number

Torsion spring

Style

Spiral

Usage

Rolling door, Garage door , Industrial, Furniture

Surface treatment

Oiled

Wire diameter

¢5mm-¢9mm

Outer diameter

¢78mm-¢110mm

Packing detail

Inner packing with plastic bags+ carton boxes for outer packing+ wooden or plastic pallets 

Delivery time

25-35 after received the deposit

Payment terms

30%T/T, balance70% T/T should be paid before shipment 

Price terms

 FOB, EXW

Supply ability

50,000 T/per year

Specification

(Normal) 

(d) 5.5*(OD)80*(NT)50(55,60,65,70,75,80)

(d) 6.5*(OD)80*(NT)50(55,60,65,70,75,80)

(d) 7 *(OD)85*(NT)50(55,60,65,70,75,80)

Remark : d=Wire diameter, OD=Outer diameter, NT=Total number of coils