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AN 280-1974
Flat-bottomed woodruff key-Table 3
Nom
b max
b min
L max
L min
h max
h min
r max
r min
1/16x1/4
0.0635
0.0625
0.25
0.24
0.099
0.094
0.012
0.008
1/16x1/2
0.0635
0.0625
0.5
0.49
0.194
0.189
0.012
0.008
3/32x1/2
0.0948
0.0938
0.5
0.49
0.194
0.189
0.012
0.008
3/32x5/8
0.0948
0.0938
0.625
0.615
0.24
0.235
0.012
0.008
1/8x1/2
0.126
0.1250
0.5
0.49
0.194
0.189
0.012
0.008
1/8x5/8
0.126
0.1250
0.625
0.615
0.24
0.235
0.012
0.008
1/8x3/4
0.126
0.1250
0.75
0.74
0.303
0.298
0.012
0.008
5/32x5/8
0.1573
0.1563
0.625
0.615
0.24
0.235
0.012
0.008
5/32x3/4
0.1573
0.1563
0.75
0.74
0.303
0.298
0.012
0.008
5/32x7/8
0.1573
0.1563
0.875
0.865
0.365
0.36
0.012
0.008
3/16x3/4
0.1885
0.1875
0.75
0.74
0.303
0.298
0.012
0.008
3/16x7/8
0.1885
0.1875
0.875
0.865
0.365
0.36
0.012
0.008
3/16x1
0.1885
0.1875
1
0.99
0.428
0.423
0.012
0.008
3/16x1-1/8
0.1885
0.1875
1.125
1.115
0.475
0.47
0.012
0.008
1/4x7/8
0.251
0.25
0.875
0.865
0.365
0.36
0.012
0.008
1/4x1
0.251
0.25
1
0.99
0.428
0.423
0.012
0.008
1/4x1-1/8
0.251
0.25
1.125
1.115
0.475
0.47
0.012
0.008
1/4x1-1/4
0.251
0.25
1.25
1.24
0.537
0.532
0.012
0.008
1/4x1-3/8
0.251
0.25
1.375
1.365
0.584
0.579
0.012
0.008
1/4x1-1/2
0.251
0.25
1.5
1.49
0.631
0.626
0.012
0.008
5/16x1
0.3135
0.3125
1
0.99
0.428
0.423
0.012
0.008
5/16x1-1/8
0.3135
0.3125
1.125
1.115
0.475
0.47
0.012
0.008
5/16x1-1/4
0.3135
0.3125
1.25
1.24
0.537
0.532
0.012
0.008
5/16x1-3/8
0.3135
0.3125
1.375
1.365
0.584
0.579
0.012
0.008
5/16x1-1/2
0.3135
0.3125
1.5
1.49
0.631
0.626
0.012
0.008
3/8x1-1/4
0.376
0.375
1.25
1.24
0.537
0.532
0.012
0.008
3/8x1-3/8
0.376
0.375
1.375
1.365
0.584
0.579
0.012
0.008
3/8x1-1/2
0.376
0.375
1.5
1.49
0.631
0.626
0.012
0.008
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