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Garage Door / Screen Door Springs Cylinder Style 74.25 C 7MM Wire Diameter

Categories Garage Door Spring
Brand Name: Xulong spring
Model Number: XL-1205
Certification: ISO 9001:2008 TS 16949,ROHS
Place of Origin: Guangdong,China
MOQ: 1pc
Price: negotiation
Payment Terms: T/T , Western Union,Paypal
Supply Ability: 10 000pcs per month
Delivery Time: Up to quantity
Packaging Details: carton
Product Name: screen door springs
Material: spring steel
wire diameter: 7mm
outside diameter: 91mm
surface treatment: oiled
application: screen door
total coils: 74.25 C
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    Garage Door / Screen Door Springs Cylinder Style 74.25 C 7MM Wire Diameter

    Garage Door / Screen Door Springs Cylinder Style 74.25 C 7MM Wire Diameter


    Specifications:


    Materialspring steel
    Wire diameter7mm
    Outside diameter91mm
    Total coils74.25
    Active coils74.25
    DirectionRight/left
    HardnessHRC 38-40
    Surface treatmentoiled
    Load typetorsion
    Stylecylinder
    Usagescreen door,construction


    Description:


    Garage door torsion springs are secured to a metal shaft above the garage door. depending on the system, the shaft may pass through the middle of the springs or spring, or the shaft may sometimes house the spring. If the shaft passes through the middle of the torsion spring, the spring may be mounted in the middle of the shaft or on the end of the shaft by the outside edge of the garage door.

    Torsion springs have three characteristics that determine the lift and cycle life. These properties are the wire size, inside diameter and length. The lift, which is determined by the torque of the spring, tells how much door weight the spring can lift. The cycle life tells how many times the garage door should open and close before the spring breaks.


    7*91*74.25 screen door springs garage door springs made with high quality spring steel

    screen door springs garage door springs made with high quality spring steel

    packing the screen door springs garage door springs made with high quality spring steel

    screen door springs garage door springs made with high quality spring steel by xulong spring factory


    Applications:


    Garage door springs counterbalance the weight of the door to make it easy to open and close. They serve the same purpose of counter weights used to balance doors in centuries past and in many doors today.


    applications of our torsion springs:

    1. Residential sectional garage doors
    2. Commerial sectional overhead doors
    3. Industry shutter doors
    4. One-piece curtain doors
    5. mini-warehouse doors
    6. Self-storage doors
    7. Roll-up doors

    How to order your garage door springs

    For quotation,we need info of your torsion spring as follow:

    1. Inside diameter
    2. Wire size
    3. Length
    4. Type of spring ends
    5. Gapped or ungapped

    And before production,we will make drawing to let you confirm.


    Quality Garage Door / Screen Door Springs Cylinder Style 74.25 C 7MM Wire Diameter for sale
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