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Unit:mm

Hexagon Head Bolts with Metric Fine Pitch Thread - Product Grades A and B

EN 28765 - 1992

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欧标EN 28765 - 1992 EN28765 28765EN Hexagon Head Bolts with Metric Fine Pitch Thread - Product Grades A and B
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Screw Thread
d
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30
P Pitch Fine thread, 1
Fine thread, 2
b L≤125
125＜L≤200
L＞200
c max
min
da max
ds max=nominal size
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max
k Nominal Size
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min
s max=nominal size
Grade A min
Grade B min
1 1 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2
- (1.25) (1.25) - - - (2) - - - -
22 26 30 34 38 42 46 50 54 60 66
- - - 40 44 48 52 56 60 66 72
- - - - - - - 69 73 79 85
0.15 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.2
0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8
9.2 11.2 13.7 15.7 17.7 20.2 22.4 24.4 26.4 30.4 33.4
8 10 12 14 16 18 20 22 24 27 30
7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67 - -
- - - - 15.57 17.57 19.48 21.48 23.48 26.48 29.48
11.63 14.63 16.63 19.37 22.49 25.34 28.19 31.71 33.61 - -
- - - - 22 24.85 27.7 31.35 33.25 38 42.75
14.38 17.77 20.03 23.36 26.75 30.14 33.53 37.72 39.98 - -
- - - - 26.17 29.56 32.95 37.29 39.55 45.2 50.85
2 2 3 3 3 3 4 4 4 6 6
5.3 6.4 7.5 8.8 10 11.5 12.5 14 15 17 18.7
5.15 6.22 7.32 8.62 9.82 11.285 12.285 13.785 14.785 - -
5.45 6.58 7.68 8.98 10.18 11.715 12.715 14.215 15.215 - -
- - - - 9.71 11.15 12.15 13.65 14.65 16.65 18.28
- - - - 10.29 11.85 12.85 14.35 15.35 17.35 19.12
3.61 4.35 5.12 6.03 6.87 7.9 8.6 9.65 10.35 - -
- - - - 6.8 7.81 8.51 9.56 10.26 11.66 12.8
0.4 0.4 0.6 0.6 0.6 0.6 0.8 0.8 0.8 1 1
13 16 18 21 24 27 30 34 36 41 46
12.73 15.73 17.73 20.67 23.67 26.67 29.67 33.38 35.38 - -
- - - - 23.16 26.16 29.16 33 35 40 45
Length of Thread b
- - - - - - - - - - -
Screw Thread
d
(M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch Fine thread, 1
Fine thread, 2
b L≤125
125＜L≤200
L＞200
c max
min
da max
ds max=nominal size
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max
k Nominal Size
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min
s max=nominal size
Grade A min
Grade B min
2 3 3 3 3 3 4 4 4 4
- - - - - - - - - -
- - - - - - - - - -
78 84 90 96 102 108 116 - - -
91 97 103 109 115 121 129 137 145 153
0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
0.8 0.8 1 1 1 1 1 1 1 1
36.4 39.4 42.4 45.6 48.6 52.6 56.6 63 67 71
33 36 39 42 45 48 52 56 60 64
- - - - - - - - - -
32.38 35.8 38.38 41.38 44.38 47.38 51.26 55.26 59.26 63.26
- - - - - - - - - -
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
6 6 6 8 8 10 10 12 12 13
21 22.5 25 26 28 30 33 35 38 40
- - - - - - - - - -
- - - - - - - - - -
20.58 22.08 24.58 25.58 27.58 29.58 32.5 34.5 37.5 39.5
21.42 22.92 25.42 26.42 28.42 30.42 33.5 35.5 38.5 40.5
- - - - - - - - - -
14.41 15.46 17.21 17.91 19.31 20.71 22.75 24.15 26.25 27.65
1 1 1 1.2 1.2 1.6 1.6 2 2 2
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
Length of Thread b
- - - - - - - - - -
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