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Metric Spring Lock Washers - Type A

BS 4464 - 1969

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英标BS 4464 - 1969 BS4464 4464BS Metric Spring Lock Washers - Type A
Size
M3 (M3.5) M4 M5 M6 M8 M10 M12 (M14) M16 (M18)
d max
min
h Nominal Size
max
min
dc max
3.3 3.8 4.35 5.35 6.4 8.55 10.6 12.6 14.7 16.9 19
3.1 3.6 4.1 5.1 6.1 8.2 10.2 12.2 14.2 16.3 18.3
1 1 1.2 1.5 1.5 2 2.5 2.5 3 3.5 3.5
1.1 1.1 1.3 1.6 1.6 2.1 2.65 2.65 3.2 3.7 3.7
0.9 0.9 1.1 1.4 1.4 1.9 2.35 2.35 2.8 3.3 3.3
5.5 6.0 6.95 8.55 9.6 12.75 15.9 17.9 21.1 24.3 26.4
Size
M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48
d max
min
h Nominal Size
max
min
dc max
21.1 23.3 25.3 28.5 31.5 34.6 37.6 40.8 43.8 46.8 50
20.3 22.4 24.4 27.5 30.5 33.5 36.5 39.6 42.6 45.6 48.8
4.5 4.5 5 5 6 6 7 7 8 8 8
4.7 4.7 5.2 5.2 6.2 6.2 7.25 7.25 8.25 8.25 8.25
4.3 4.3 4.8 4.8 5.8 5.8 6.75 6.75 7.75 7.75 7.75
30.5 32.7 35.7 38.9 43.9 47.0 52.1 55.3 60.3 63.3 66.5
①,H=2h±15%
②,h≈n

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