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SECTION 28 - CLAMPS
WDS
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0845 606 66 77
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www.wdsltd.co.uk•
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sales@wdsltd.co.uk28-14
WDS
www.wdsltd.co.ukSpring
Stainless Spring
WDS 660
WDS 812
MATERIAL
-
Spring Steel BS 5216 B Range 3
Chemical black finish
See 812 Series for this part in
Stainless Steel
MATERIAL
-
Stainless Steel.
BS 970 Gr 316S42
See 660 Series for this part
in Steel
D = to suit stud size
P = spring rate N/mm
D = Stud Size
P = spring rate N/mm
Metric
Inch
D1
L
P
(g)
WDS No.
M4
-
0.7
4
0.96
4
660-2004
M5
3
⁄
16
0.7
4
0.56
5
660-2005
M6
1
⁄
4
0.8
4
0.48
7
660-201
M8
5
⁄
16
1.0
4
0.60
15
660-202
M10
3
⁄
8
1.2
5
1.33
20
660-203
M12
1
⁄
2
1.6
5
1.33
46
660-204
M14
9
⁄
16
1.6
5
1.04
50
660-205
M16
5
⁄
8
1.6
6
0.89
47
660-206
M18
-
2.0
5
1.24
99
660-2065
M20
-
2.0
6
1.13
91
660-207
M24
1
2.35
7
1.17
129
660-208
D
D1
L
P
(g)
WDS No.
M6
0.7
4
0.27
6
812-206
M8
0.8
4
0.24
9
812-208
M10
0.9
5
0.27
11
812-210
M12
1.5
5
1.42
45
812-212
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