GOST 50794 - 1995 Hexagon Head Screws - Product Grade C


Unit: mm
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Screw Thread
d
M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27)
P Pitch
b L≤125
125<L≤200
L>200
c max
da max
ds max
min
dw min
e min
k Nominal Size
max
min
k1 min
r min
s max=nominal size
min
0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3
16 18 22 26 30 34 38 42 46 50 54 60
- - - - - 40 44 48 52 56 60 66
- - - - - - - - - 69 73 79
0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8
6 7.2 10.2 12.2 14.7 16.7 18.7 21.2 24.4 26.4 28.4 32.4
5.48 6.48 8.58 10.58 12.7 14.7 16.7 18.7 20.84 22.84 24.84 27.84
4.52 5.52 7.42 9.42 11.3 13.3 15.3 17.3 19.16 21.16 23.16 26.16
6.74 8.74 11.47 14.47 16.47 19.15 22 24.85 27.7 31.35 33.25 38
8.63 10.89 14.2 17.59 19.85 22.78 26.17 29.56 32.95 37.29 39.55 45.2
3.5 4 5.3 6.4 7.5 8.8 10 11.5 12.5 14 15 17
3.875 4.375 5.675 6.85 7.95 9.25 10.75 12.4 13.4 14.9 15.9 17.9
3.125 3.625 4.925 5.95 7.05 8.35 9.25 10.6 11.6 13.1 14.1 16.1
2.19 2.54 3.45 4.17 4.94 5.85 6.48 7.42 8.12 9.17 9.87 11.27
0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.6 0.8 0.8 0.8 1
8 10 13 16 18 21 24 27 30 34 36 41
7.64 9.64 12.57 15.57 17.57 20.16 23.16 26.16 29.16 33 35 40
Length of Thread b
- - - - - - - - - - - -
Screw Thread
d
M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
b L≤125
125<L≤200
L>200
c max
da max
ds max
min
dw min
e min
k Nominal Size
max
min
k1 min
r min
s max=nominal size
min
3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
66 - - - - - - - - - -
72 78 84 90 96 102 108 116 - - -
85 91 97 103 109 115 121 129 137 145 153
0.8 0.8 0.8 1 1 1 1 1 1 1 1
35.4 38.4 42.4 45.4 48.6 52.6 56.6 62.6 67 71 75
30.84 34 37 40 43 46 49 53.2 57.2 61.2 65.2
29.16 32 35 38 41 44 47 50.8 54.8 58.8 62.8
42.75 46.55 51.11 55.86 59.95 64.7 69.45 74.2 78.66 83.41 88.16
50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25 93.56 99.21 104.86
18.7 21 22.5 25 26 28 30 33 35 38 40
19.75 22.05 23.55 26.05 27.05 29.05 31.05 34.25 36.25 39.25 41.25
17.65 19.95 21.45 23.95 24.95 26.95 28.95 31.75 33.75 36.75 38.75
12.36 13.97 15.02 16.77 17.47 18.87 20.27 22.23 23.63 25.73 27.13
1 1 1 1 1.2 1.2 1.6 1.6 2 2 2
46 50 55 60 65 70 75 80 85 90 95
45 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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