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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
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
13,75
Lo / Free Length (mm)
93,6
Loop Height
17,3
Fmax / Maximum Force (N)
645,8
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
13,75
Lo / Free Length (mm)
93,6
Loop Height
17,3
Fmax / Maximum Force (N)
542,5
Spring End
German Loops
Material
DIN EN (ISO 6931-1) 10270-3 RVS AISI 302 (DIN 17224 - 1.4310)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
20,5
Lo / Free Length (mm)
121
Loop Height
17,5
Fmax / Maximum Force (N)
645,8
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
20,5
Lo / Free Length (mm)
121
Loop Height
17,5
Fmax / Maximum Force (N)
542,5
Spring End
German Loops
Material
DIN EN (ISO 6931-1) 10270-3 RVS AISI 302 (DIN 17224 - 1.4310)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
20,75
Lo / Free Length (mm)
121
Loop Height
17
Fmax / Maximum Force (N)
645,8
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
20,75
Lo / Free Length (mm)
121
Loop Height
17
Fmax / Maximum Force (N)
542,5
Spring End
German Loops
Material
DIN EN (ISO 6931-1) 10270-3 RVS AISI 302 (DIN 17224 - 1.4310)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
27,5
Lo / Free Length (mm)
149
Loop Height
17,5
Fmax / Maximum Force (N)
645,8
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
27,5
Lo / Free Length (mm)
149
Loop Height
17,5
Fmax / Maximum Force (N)
542,5
Spring End
German Loops
Material
DIN EN (ISO 6931-1) 10270-3 RVS AISI 302 (DIN 17224 - 1.4310)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
27,75
Lo / Free Length (mm)
149
Loop Height
17
Fmax / Maximum Force (N)
645,8
Spring End
German Loops
Material
DIN EN 10270-1 SH (C DIN 17223/1 - 1.1200)
d / Wire Diameter (mm)
4
Dm / Mean Diameter (mm)
25
Mean Diameter tolerance -
0,35
Mean Diameter tolerance +
0,35
Di / Inside Diameter (mm)
21
De / Outside Diameter (mm)
29
N / Total Coils
27,75
Lo / Free Length (mm)
149
Loop Height
17
Fmax / Maximum Force (N)
542,5
Spring End
German Loops
Material
DIN EN (ISO 6931-1) 10270-3 RVS AISI 302 (DIN 17224 - 1.4310)
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