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Type H - Keys with both ends square with chamfer and holes for two retaining screws

IS 2048 (H) - 1983

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印标IS 2048 (H) - 1983 IS2048 2048IS Type H - Keys with both ends square with chamfer and holes for two retaining screws
Normal size
b
8 10 12 14 16 18 20 22 25 28 32
b max=nominal size
min
h max=nominal size
min
s min
max
L min
max
a
d3
d4
8 10 12 14 16 18 20 22 25 28 32
7.964 9.964 11.957 13.957 15.957 17.957 19.948 21.948 24.948 27.948 31.938
7 8 8 9 10 11 12 14 14 16 18
6.91 7.91 7.91 8.91 9.91 10.89 11.89 13.89 13.89 15.89 17.89
0.25 0.4 0.4 0.4 0.4 0.4 0.6 0.6 0.6 0.6 0.6
0.4 0.6 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8
18 22 28 36 45 50 56 63 70 80 90
90 110 140 160 180 200 220 250 280 320 360
3 3 3 3.5 4 4.5 5 5.5 5.5 6.5 7
3.4 3.4 4.5 5.5 5.5 6.6 6.6 6.6 9 11 11
6 6 8 10 10 11 11 11 14 18 18
Normal size
b
36 40 45 50 56 63 70 80 90 100
b max=nominal size
min
h max=nominal size
min
s min
max
L min
max
a
d3
d4
36 40 45 50 56 63 70 80 90 100
35.938 39.938 44.938 49.938 55.926 62.926 69.926 79.926 89.913 99.913
20 22 25 28 32 32 36 40 45 50
19.87 21.87 24.87 27.87 31.84 31.84 35.84 39.84 44.84 49.84
1 1 1 1 1.6 1.6 1.6 2.5 2.5 2.5
1.2 1.2 1.2 1.2 2 2 2 3 3 3
100 110 125 140 160 180 200 220 250 280
400 400 400 400 400 400 400 400 400 400
8 9 10 11 13 13 14 16 18 20
14 14 14 14 14 14 18 18 22 22
20 20 20 20 20 20 26 26 33 33

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