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(Non-preferred) dimensions in parentheses.

External-Internal Tooth Spring Lock Washers 【Table 12】TW/AB

JIS B 1251 (TW/AB) - 2018

Display drawing:

 *Models with different eras.

Nominal Diameter
d
4 (4.5) 5 6 8 10 12 (14) 16
d min=nominal size
max
dc max
min
h Nominal Size
max
min
H ≈2h
Number of Teeth Inside
Outside
4.3 4.8 5.3 6.4 8.4 10.5 12.5 14.5 16.5
4.5 5 5.5 6.7 8.7 10.9 12.9 14.9 16.9
15 15 15 17.5 22.5 26 29 32 35
14.5 14.5 14.5 17 21.9 25.4 28.4 31.2 34.2
0.6 0.6 0.6 0.8 0.9 1 1 1.2 1.4
0.64 0.64 0.64 0.85 0.95 1.055 1.055 1.265 1.47
0.56 0.56 0.56 0.75 0.85 0.945 0.945 1.135 1.33
1.2 1.2 1.2 1.6 1.8 2 2 2.4 2.8
8 8 8 9 9 9 10 10 12
12 12 12 12 12 14 14 14 16
①,H ≈ 2h

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