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Extension Springs
MAX Springs has an enormous range of extension springs, available in spring wire C and Stainless Steel. The extension springs have German loops while this is the most used one and has the best guarantee against breaking.
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d / Wire Diameter (mm)
Di / Inside Diameter (mm)
De / Outside Diameter (mm)
Lo / Free Length (mm)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
46,5
Lo / Free Length (mm)
248
Loop Height
17,06
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
46,75
Lo / Free Length (mm)
249
Loop Height
17,06
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
53,5
Lo / Free Length (mm)
279
Loop Height
16,81
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
53,75
Lo / Free Length (mm)
280
Loop Height
16,81
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
61,5
Lo / Free Length (mm)
315
Loop Height
16,81
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
61,75
Lo / Free Length (mm)
316
Loop Height
16,81
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
69,5
Lo / Free Length (mm)
351
Loop Height
16,81
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
25,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
30
N / Total Coils
69,75
Lo / Free Length (mm)
352
Loop Height
16,81
Fmax / Maximum Force (N)
858,7
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
27,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
23
De / Outside Diameter (mm)
32
N / Total Coils
9,5
Lo / Free Length (mm)
86,3
Loop Height
20,7
Fmax / Maximum Force (N)
685
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4,5
Dm / Mean Diameter (mm)
27,5
Mean Diameter tolerance -
0,4
Mean Diameter tolerance +
0,4
Di / Inside Diameter (mm)
23
De / Outside Diameter (mm)
32
N / Total Coils
9,5
Lo / Free Length (mm)
86,3
Loop Height
20,7
Fmax / Maximum Force (N)
580
Spring End
German Loops
Material
DIN EN (ISO 6931-1) 10270-3 RVS AISI 302 (DIN 17224 - 1.4310)
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