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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

External-internal Tooth Spring Lock Washers [Table 7] TW/AB

JIS B 1251 (TW/AB) - 2001

Display drawing:

日标JIS B1251 (TW/AB) - 2001 JIS1251 1251J External-internal Tooth Spring Lock Washers [Table 7] TW/AB
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 *Models with different eras.

Size
4 (4.5) 5 6 8 10 12 (14) 16
d max
min=nominal size
dc max=nominal size
min
h Nominal Size
max
min
Number of Teeth Inside
Outside
4.5 5 5.5 6.7 8.7 10.9 12.9 14.9 16.9
4.3 4.8 5.3 6.4 8.4 10.5 12.5 14.5 16.5
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
8 8 8 9 9 9 10 10 12
12 12 12 12 12 14 14 14 16
①,H ≈ 2h

Alternative history

JIS B 1251 - 2001 JIS B 1251 - 2018
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