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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Conical Spring Washers - Class 1 - Light Load

JIS B 1252 (1L) - 1995

Display drawing:

日标JIS B1252 (1L) - 1995 JIS1252 1252JIS Conical Spring Washers - Class 1 - Light Load
Screw Thread
d
3 4 (4.5) 5 6 8 10 12
d min=nominal size
max
dc max=nominal size
min
h Nominal Size
max
min
H
3.2 4.3 4.8 5.3 6.4 8.4 10.5 13
3.4 4.5 5 5.5 6.65 8.65 10.8 13.3
7 9 10 10 12.5 17 21 24
6.75 8.75 9.75 9.75 12.2 16.7 20.6 23.6
0.5 0.7 0.8 0.8 1 1.4 1.8 2.2
0.535 0.745 0.85 0.85 1.055 1.47 1.885 2.3
0.465 0.655 0.75 0.75 0.945 1.33 1.715 2.1
0.75 0.95 1.05 1.1 1.35 1.85 2.3 2.7
Screw Thread
d
(14) 16 (18) 20 (22) 24 (27) 30
d min=nominal size
max
dc max=nominal size
min
h Nominal Size
max
min
H
15 17 19 21 23 25 28 31
15.3 17.3 19.35 21.35 23.35 25.35 28.35 31.4
28 30 34 37 39 44 50 56
27.6 29.6 33.5 36.5 38.5 43.5 49.5 55.3
2.5 2.8 3 3.5 3.5 4 4.5 5
2.6 2.9 3.11 3.61 3.61 4.11 4.64 5.14
2.4 2.7 2.89 3.39 3.39 3.89 4.36 4.86
3.15 3.5 3.9 4.4 4.7 5.2 5.9 6.6
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