Extension Springs

An tension (extension) spring offers resistance to a pulling force. Many different end configurations or "hooks" are used to secure the spring to the source of the pulling force. A common example of an extension spring is the spring in a storm door.

If you would like more information or to request a quote with specific dimensions, please fill out the relevant sections of the form below.

Extension Springs - Specification Form

Section 1: Mandatory Specifications
(fill in only those required)

1. OUTSIDE DIAMETER
A. mm max or
B. mm +- mm

2. INSIDE DIAMETER
A. mm min or
B. mm +- mm

3. Load N +- N @ mm
    Load N +- N @ mm
    Rate N/mm +- N/mm
    Between mm and mm

4. Maximum extended length(inside ends) without set mm

5. Relative loop position, o max seperation of loop planes

6. Direction of helix (L, R, or optional)

6. Type of ends

7. Quantity Required
Extension Spring Diagram

Section 2: Advisory Specifications

1. LENGTH INSIDE ENDS
    A. mm max, mm min or,
    B. mm +- mm
    C. Approx mm

2. Wire diameter mm

3. Mean coil diameter mm

4. No. of active coils

5. Body length mm

6. Initial tension N

Section 3: Special Information

1. Type of material

2. Finish

3. Frequency of extension, cycles/sec, and working range mm to mm of length

4. Operating temp. C

5. End use or application

6. Other

Section 4: Contact Details

Select the items that apply, and then let us know how to contact you.

Send product literature
Send company literature
Have a salesperson contact me

Name
Title
Company
Address
E-mail
Phone