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(Non-preferred) dimensions in parentheses.

Conical Spring Washers - Class 1 - Heavy Load

JIS B 1252 (1H) - 1995

Display drawing:

日标JIS B1252 (1H) - 1995 JIS1252 1252JIS Conical Spring Washers - Class 1 - Heavy Load
Screw Thread
d
6 8 10 12 (14) 16 (18) 20 (22)
d min=nominal size
max
dc max=nominal size
min
h Nominal Size
max
min
H
6.4 8.4 10.5 13 15 17 19 21 23
6.65 8.65 10.8 13.3 15.3 17.3 19.35 21.35 23.35
12.5 17 21 24 28 30 34 37 39
12.2 16.7 20.6 23.6 27.6 29.6 33.5 36.5 38.5
1.2 1.8 2.2 2.5 3 3.5 4 4.5 5
1.265 1.885 2.3 2.6 3.11 3.61 4.11 4.64 5.14
1.135 1.715 2.1 2.4 2.89 3.39 3.89 4.36 4.86
1.55 2.15 2.65 3.05 3.65 4.1 4.64 5.2 5.65

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