ISO 8765

Replaces DIN 960

Hexagon head bolts with fine pitch thread

tech-iso8765




Screw Thread
d		 M8 M10 (M10)
P Pitch 1 1.25 1
b L≤125 22 26 26
125＜L≤200 28 32 32
L＞200 41 45 45
c max 0.6 0.6 0.6
min 0.15 0.15 0.15
da max 9.2 11.2 11.2
ds max=nominal size 8 10 10
Grade A min 7.78 9.78 9.78
Grade B min 7.64 9.64 9.64
dw Grade A min 11.63 14.63 14.63
Grade B min 11.47 14.47 14.47
e Grade A min 14.38 17.77 17.77
Grade B min 14.2 17.59 17.59
k Nominal Size 5.3 6.4 6.4
Grade A max 5.45 6.58 6.58
min 5.15 6.22 6.22
Grade B max 5.54 6.69 6.69
min 5.06 6.11 6.11
k1 Grade A min 3.61 4.35 4.35
Grade B min 3.54 4.28 4.28
L1 max 2 2 2
r min 0.4 0.4 0.4
s max=nominal size 13 16 16
Grade A min 12.73 15.73 15.73
Grade B min 12.57 15.57 15.57
Length of Thread b b1 22 26 26
b2 28 32 32
b3 - 45 45

Screw Thread
d		 M12 (M12) (M14)
P Pitch 1.5 1.25 1.5
b L≤125 30 30 34
125＜L≤200 36 36 40
L＞200 49 49 57
c max 0.6 0.6 0.6
min 0.15 0.15 0.15
da max 13.7 13.7 15.7
ds max=nominal size 12 12 14
Grade A min 11.73 11.73 13.73
Grade B min 11.57 11.57 13.54
dw Grade A min 16.63 16.63 19.64
Grade B min 16.47 16.47 19.15
e Grade A min 20.03 20.03 23.36
Grade B min 19.85 19.85 22.78
k Nominal Size 7.5 7.5 8.8
Grade A max 7.68 7.68 8.98
min 7.32 7.32 8.62
Grade B max 7.79 7.79 9.09
min 7.21 7.21 8.51
k1 Grade A min 5.12 5.12 6.03
Grade B min 5.05 5.05 5.96
L1 max 3 3 3
r min 0.6 0.6 0.6
s max=nominal size 18 18 21
Grade A min 17.73 17.73 20.67
Grade B min 17.57 17.57 20.16
Length of Thread b b1 30 30 34
b2 36 36 40
b3 49 49 53

Screw Thread
d		 M16 (M18) (M18)
P Pitch 1.5 2 1.5
b L≤125 38 42 42
125＜L≤200 44 48 48
L＞200 / / /
c max 0.8 0.8 0.8
min 0.2 0.2 0.2
da max 17.7 20.2 20.2
ds max=nominal size 16 18 18
Grade A min 15.73 17.73 17.73
Grade B min 15.57 17.57 17.57
dw Grade A min 22.49 25.34 25.34
Grade B min 22 24.85 24.85
e Grade A min 26.75 30.14 30.14
Grade B min 26.17 29.56 29.56
k Nominal Size 10 11.5 11.5
Grade A max 10.18 11.715 11.715
min 9.82 11.285 11.285
Grade B max 10.29 11.85 11.85
min 9.71 11.15 11.15
k1 Grade A min 6.87 7.9 7.9
Grade B min 6.8 7.81 7.81
L1 max 3 3 3
r min 0.6 0.6 0.6
s max=nominal size 24 27 27
Grade A min 23.67 26.67 26.67
Grade B min 23.16 26.16 26.16
Length of Thread b b1 38 42 42
b2 44 48 48
b3 57 61 61

Screw Thread
d		 M20 (M20) (M22)
P Pitch 2 1.5 2
b L≤125 46 46 50
125＜L≤200 52 52 56
L＞200 / / 69
c max 0.8 0.8 0.8
min 0.2 0.2 0.2
da max 22.4 22.4 24.4
ds max=nominal size 20 20 22
Grade A min 19.67 19.67 21.67
Grade B min 19.48 19.48 21.48
dw Grade A min 28.19 28.19 31.71
Grade B min 27.7 27.7 31.35
e Grade A min 33.53 33.53 37.72
Grade B min 32.95 32.95 37.29
k Nominal Size 12.5 12.5 14
Grade A max 12.715 12.715 14.215
min 12.285 12.285 13.785
Grade B max 12.85 12.85 14.35
min 12.15 12.15 13.65
k1 Grade A min 8.6 8.6 9.65
Grade B min 8.51 8.51 9.56
L1 max 4 4 4
r min 0.8 0.8 0.8
s max=nominal size 30 30 34
Grade A min 29.67 29.67 33.38
Grade B min 29.16 29.16 33
Length of Thread b b1 46 46 50
b2 52 52 56
b3 65 65 69

Screw Thread
d		 (M22) M24 M27
P Pitch 1.5 2 2
b L≤125 50 54 60
125＜L≤200 56 60 66
L＞200 69 73 79
c max 0.8 0.8 0.8
min 0.2 0.2 0.2
da max 24.4 26.4 30.4
ds max=nominal size 22 24 27
Grade A min 21.67 23.67 /
Grade B min 21.48 23.48 26.48
dw Grade A min 31.71 33.61 /
Grade B min 31.35 33.25 38
e Grade A min 37.72 39.98 /
Grade B min 37.29 39.55 45.2
k Nominal Size 14 15 17
Grade A max 14.215 15.215 /
min 13.785 14.785 /
Grade B max 14.35 15.35 17.35
min 13.65 14.65 16.65
k1 Grade A min 9.65 10.35 /
Grade B min 9.56 10.26 11.66
L1 max 4 4 6
r min 0.8 0.8 1
s max=nominal size 34 36 41
Grade A min 33.38 35.38 /
Grade B min 33 35 40
Length of Thread b b1 50 54 60
b2 56 60 66
b3 69 73 79

Screw Thread
d		 M30 M33 M36
P Pitch 2 2 3
b L≤125 66 72 /
125＜L≤200 72 78 84
L＞200 85 91 97
c max 0.8 0.8 0.8
min 0.2 0.2 0.2
da max 33.4 36.4 39.4
ds max=nominal size 30 33 36
Grade A min / / /
Grade B min 29.48 32.38 35.38
dw Grade A min / / /
Grade B min 42.75 46.55 51.11
e Grade A min / / /
Grade B min 50.85 55.37 60.79
k Nominal Size 18.7 21 22.5
Grade A max / / /
min / / /
Grade B max 19.12 21.42 22.92
min 18.28 20.58 22.08
k1 Grade A min / / /
Grade B min 12.8 14.41 15.46
L1 max 6 6 6
r min 1 1 1
s max=nominal size 46 50 55
Grade A min / / /
Grade B min 45 49 53.8
Length of Thread b b1 66 72 78
b2 72 78 84
b3 85 91 97

Screw Thread
d		 M39 M42 M45
P Pitch 3 3 3
b L≤125 / / /
125＜L≤200 90 96 102
L＞200 103 109 115
c max 1 1 1
min 0.3 0.3 0.3
da max 42.4 45.6 48.6
ds max=nominal size 39 42 45
Grade A min / / /
Grade B min 38.38 41.38 44.38
dw Grade A min / / /
Grade B min 55.86 59.95 64.7
e Grade A min / / /
Grade B min 66.44 71.3 76.95
k Nominal Size 25 26 28
Grade A max / / /
min / / /
Grade B max 25.42 26.42 28.42
min 24.58 25.58 27.58
k1 Grade A min / / /
Grade B min 17.21 17.91 19.31
L1 max 6 8 8
r min 1 1.2 1.2
s max=nominal size 60 65 70
Grade A min / / /
Grade B min 58.8 63.1 68.1
Length of Thread b b1 84 90 96
b2 90 96 102
b3 103 109 115

Screw Thread
d		 M48 M52 M56
P Pitch 3 4 4
b L≤125 / / /
125＜L≤200 108 116 /
L＞200 121 129 137
c max 1 1 1
min 0.3 0.3 0.3
da max 52.6 56.6 63
ds max=nominal size 48 52 56
Grade A min / / /
Grade B min 47.38 51.26 55.26
dw Grade A min / / /
Grade B min 69.45 74.2 78.66
e Grade A min / / /
Grade B min 82.6 88.25 93.56
k Nominal Size 30 33 35
Grade A max / / /
min / / /
Grade B max 30.42 33.5 35.5
min 29.58 32.5 34.5
k1 Grade A min / / /
Grade B min 20.71 22.75 24.15
L1 max 10 10 12
r min 1.6 1.6 2
s max=nominal size 75 80 85
Grade A min / / /
Grade B min 73.1 78.1 82.8
Length of Thread b b1 102 - -
b2 108 116 124
b3 121 129 137

Screw Thread
d		 M60 M64
P Pitch 4 4
b L≤125 / /
125＜L≤200 / /
L＞200 145 153
c max 1 1
min 0.3 0.3
da max 67 71
ds max=nominal size 60 64
Grade A min / /
Grade B min 59.26 63.26
dw Grade A min / /
Grade B min 83.41 88.16
e Grade A min / /
Grade B min 99.21 104.86
k Nominal Size 38 40
Grade A max / /
min / /
Grade B max 38.5 40.5
min 37.5 39.5
k1 Grade A min / /
Grade B min 26.25 27.65
L1 max 12 13
r min 2 2
s max=nominal size 90 95
Grade A min / /
Grade B min 87.8 92.8
Length of Thread b b1 - -
b2 132 140
b3 145 153



b1 for L ≤ 125 mm
b2 for 125mm < L ≤ 200 mm
b3 for L > 200 mm
Article 89601: CE acc. to EN 14592
(M 12, 16, 20, 24)


All information is strictly informative