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Flat Key

UNI 6604 - 1969

Display drawing:

意大利UNI 6604 - 1969 UNI6604 6604UNI Flat Key
Size
2 3 4 5 6 8 10 12 14 16 18 20 22
b max=nominal size (h9)
min
h max
min
s max
min
(For thread diameter)on Diameter of shaft
2 3 4 5 6 8 10 12 14 16 18 20 22
1.975 2.975 3.97 4.97 5.97 7.964 9.964 11.957 13.957 15.957 17.957 19.948 21.948
2 3 4 5 6 7 8 8 9 10 11 12 14
1.975 2.975 3.97 4.97 5.97 6.91 7.91 7.91 8.91 9.91 10.89 11.89 13.89
0.25 0.25 0.25 0.4 0.4 0.4 0.6 0.6 0.6 0.6 0.6 0.8 0.8
0.16 0.16 0.16 0.25 0.25 0.25 0.4 0.4 0.4 0.4 0.4 0.6 0.6
6≤d≤8 8 10 12 17 22 30 38 44 50 58 65 75
Size
25 28 32 36 40 45 50 56 63 70 80 90 100
b max=nominal size (h9)
min
h max
min
s max
min
(For thread diameter)on Diameter of shaft
25 28 32 36 40 45 50 56 63 70 80 90 100
24.948 27.948 31.938 35.938 39.938 44.938 49.938 55.926 62.926 69.926 79.926 89.913 99.913
14 16 18 20 22 25 28 32 32 36 40 45 50
13.89 15.89 17.89 19.87 21.87 24.87 27.87 31.84 31.84 35.84 39.84 44.84 49.84
0.8 0.8 0.8 1.2 1.2 1.2 1.2 2 2 2 3 3 3
0.6 0.6 0.6 1 1 1 1 1.6 1.6 1.6 2.5 2.5 2.5
85 95 110 130 150 170 200 230 260 290 330 380 440

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53 Type E - Keys with Both Ends Round with Holes for Two Retaining Screws [IS]
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54 Type F - Keys with Both Ends Square with Holes for Two Retaining Screws [IS]
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