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Unit:mm

Hexagon Nuts, Style 1, with Metric Fine Pitch Thread - Product Grades A and B

EN 28673 - 1991

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欧标EN 28673 - 1991 EN28673 28673EN Hexagon Nuts, Style 1, with Metric Fine Pitch Thread - Product Grades A and B
Thread Size
D
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30
P Pitch Fine thread -1
Fine thread -2
c max
min
da min
max
dw min
e min
m max
min
m1 min
m2 min
s max=nominal size
min
1 1 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2
- (1.25) (1.25) - - - (2) - - - -
0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8
0.15 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.2
8 10 12 14 16 18 20 22 24 27 30
8.75 10.8 13 15.1 17.3 19.5 21.6 23.7 25.9 29.1 32.4
11.63 14.63 16.63 19.64 22.49 24.85 27.7 31.35 33.25 38 42.75
14.38 17.77 20.03 23.36 26.75 29.56 32.95 37.29 39.55 45.2 50.85
6.8 8.4 10.8 12.8 14.8 15.8 18 19.4 21.5 23.8 25.6
6.44 8.04 10.37 12.1 14.1 15.1 16.9 18.1 20.2 22.5 24.3
5.15 6.43 8.3 9.68 11.28 12.08 13.52 14.48 16.16 18 19.44
4.51 5.63 7.26 8.47 9.87 10.57 11.83 12.67 14.14 15.75 17.01
13 16 18 21 24 27 30 34 36 41 46
12.73 15.73 17.73 20.67 23.67 26.16 29.16 33 35 40 45
Thread Size
D
(M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch Fine thread -1
Fine thread -2
c max
min
da min
max
dw min
e min
m max
min
m1 min
m2 min
s max=nominal size
min
2 3 3 3 3 3 4 4 4 4
- - - - - - - - - -
0.8 0.8 1 1 1 1 1 1 1 1
0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
33 36 39 42 45 48 52 56 60 64
35.6 38.9 42.1 45.4 48.6 51.8 56.2 60.5 64.8 69.1
46.55 51.11 55.86 59.95 64.7 69.45 74.2 78.66 83.41 88.16
55.37 60.79 66.44 71.3 76.95 82.6 88.25 93.56 99.21 104.86
28.7 31 33.4 34 36 38 42 45 48 51
27.4 29.4 31.8 32.4 34.4 36.4 40.4 43.4 46.4 49.1
21.92 23.52 25.44 25.92 27.52 29.12 32.32 34.72 37.12 39.28
19.18 20.58 22.26 22.68 24.08 25.48 28.28 30.38 32.48 34.37
50 55 60 65 70 75 80 85 90 95
49 53.8 58.8 63.1 68.1 73.1 78.1 82.8 87.8 92.8
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