DIN 960

Hexagon head bolts with fine pitch thread

tech-din960




Screw Thread
d		 M8 M10 M12
P Pitch Fine thread-1 1 1 1.5
Fine thread-2 - 1.25 1.25
Length of Thread
b		 L≤125 22 26 30
125＜L≤200 28 32 36
L＞200 41 45 49
c min 0.15 0.15 0.15
max 0.6 0.6 0.6
da max 9.2 11.2 13.7
ds max 8 10 12
Grade A min 7.78 9.78 11.73
Grade B min 7.64 9.64 11.57
dw Grade A min 11.6 15.6 17.4
Grade B min 11.4 15.4 17.2
e Grade A min 14.38 18.9 21.1
Grade B min 14.2 18.72 20.88
k Nominal Size 5.3 6.4 7.5
Grade A min 5.15 6.22 7.32
max 5.45 6.58 7.68
Grade B min 5.06 6.11 7.21
max 5.54 6.69 7.79
k1 min 3.54 4.28 5.05
r min 0.4 0.4 0.6
s max=nominal size 13 17 19
Grade A min 12.73 16.73 18.67
Grade B min 12.57 16.57 18.48

Screw Thread
d		 (M14) M16 (M18)
P Pitch Fine thread-1 1.5 1.5 2
Fine thread-2 - - 1.5
Length of Thread
b		 L≤125 34 38 42
125＜L≤200 40 44 48
L＞200 53 57 61
c min 0.15 0.2 0.2
max 0.6 0.8 0.8
da max 15.7 17.7 20.2
ds max 14 16 18
Grade A min 13.73 15.73 17.73
Grade B min 13.57 15.57 17.57
dw Grade A min 20.5 22.5 25.3
Grade B min 20.1 22 24.8
e Grade A min 24.49 26.75 30.14
Grade B min 23.91 26.17 29.56
k Nominal Size 8.8 10 11.5
Grade A min 8.62 9.82 11.28
max 8.98 10.18 11.72
Grade B min 8.51 9.71 11.15
max 9.09 10.29 11.85
k1 min 5.96 6.8 7.8
r min 0.6 0.6 0.6
s max=nominal size 22 24 27
Grade A min 21.67 23.67 26.67
Grade B min 21.16 23.16 26.16

Screw Thread
d		 M20 (M22) M24
P Pitch Fine thread-1 1.5 2 2
Fine thread-2 2 1.5 1.5
Length of Thread
b		 L≤125 46 50 54
125＜L≤200 52 56 60
L＞200 65 69 73
c min 0.2 0.2 0.2
max 0.8 0.8 0.8
da max 22.4 24.4 26.4
ds max 20 22 24
Grade A min 19.67 21.67 23.67
Grade B min 19.48 21.48 23.48
dw Grade A min 28.2 30 33.6
Grade B min 27.7 29.5 33.2
e Grade A min 33.53 35.72 39.98
Grade B min 32.95 35.03 39.55
k Nominal Size 12.5 14 15
Grade A min 12.28 13.78 14.78
max 12.72 14.22 15.22
Grade B min 12.15 13.65 14.65
max 12.85 14.35 15.35
k1 min 8.5 9.6 10.3
r min 0.8 0.8 0.8
s max=nominal size 30 32 36
Grade A min 29.67 31.61 35.38
Grade B min 29.16 31 35

Screw Thread
d		 (M27) M30 (M33)
P Pitch Fine thread-1 2 2 2
Fine thread-2 - - -
Length of Thread
b		 L≤125 60 66 72
125＜L≤200 66 72 78
L＞200 79 85 91
c min 0.2 0.2 0.2
max 0.8 0.8 0.8
da max 30.4 33.4 36.4
ds max 27 30 33
Grade A min - - -
Grade B min 26.48 29.48 32.38
dw Grade A min - - -
Grade B min 38 42.7 46.6
e Grade A min - - -
Grade B min 45.2 50.85 55.37
k Nominal Size 17 18.7 21
Grade A min - - -
max - - -
Grade B min 16.65 18.28 20.58
max 17.35 19.12 21.42
k1 min 11.7 12.8 14.4
r min 1 1 1
s max=nominal size 41 46 50
Grade A min - - -
Grade B min 40 45 49

Screw Thread
d		 M36 (M39) M42
P Pitch Fine thread-1 3 3 3
Fine thread-2 - - -
Length of Thread
b		 L≤125 78 84 90
125＜L≤200 84 90 96
L＞200 97 103 109
c min 0.2 0.3 0.3
max 0.8 1 1
da max 39.4 42.4 45.6
ds max 36 39 42
Grade A min - - -
Grade B min 35.38 38.38 41.38
dw Grade A min - - -
Grade B min 51.1 55.9 59.9
e Grade A min - - -
Grade B min 60.79 66.44 71.3
k Nominal Size 22.5 25 26
Grade A min - - -
max - - -
Grade B min 22.08 24.58 25.58
max 22.92 25.42 26.42
k1 min 15.5 17.2 17.9
r min 1 1 1.2
s max=nominal size 55 60 65
Grade A min - - -
Grade B min 53.8 58.8 63.1

Screw Thread
d		 (M45) M48 (M52)
P Pitch Fine thread-1 3 3 3
Fine thread-2 - - -
Length of Thread
b		 L≤125 96 102 -
125＜L≤200 102 108 116
L＞200 115 121 129
c min 0.3 0.3 0.3
max 1 1 1
da max 48.6 52.6 56.6
ds max 45 48 52
Grade A min - - -
Grade B min 44.38 47.38 51.26
dw Grade A min - - -
Grade B min 64.7 69.4 74.2
e Grade A min - - -
Grade B min 76.95 82.6 88.25
k Nominal Size 28 30 33
Grade A min - - -
max - - -
Grade B min 27.58 29.58 32.5
max 28.42 30.42 33.5
k1 min 19.3 20.9 22.8
r min 1.2 1.6 1.6
s max=nominal size 70 75 80
Grade A min - - -
Grade B min 68.1 73.1 78.1

Screw Thread
d		 M56 (M60) M64
P Pitch Fine thread-1 4 4 4
Fine thread-2 - - -
Length of Thread
b		 L≤125 - - -
125＜L≤200 124 132 140
L＞200 137 145 153
c min - - -
max 1 1 1
da max 63 67 71
ds max 56 60 64
Grade A min - - -
Grade B min 55.26 59.26 63.26
dw Grade A min - - -
Grade B min 78.7 83.4 88.2
e Grade A min - - -
Grade B min 93.56 99.21 104.86
k Nominal Size 35 38 40
Grade A min - - -
max - - -
Grade B min 34.5 37.5 39.5
max 35.5 38.5 40.5
k1 min 24.2 26.2 27.6
r min 2 2 2
s max=nominal size 85 90 95
Grade A min - - -
Grade B min 82.8 87.8 92.8

Screw Thread
d		 (M68) M72 (M76)
P Pitch Fine thread-1 4 4 4
Fine thread-2 - - -
Length of Thread
b		 L≤125 - - -
125＜L≤200 148 158 164
L＞200 161 169 177
c min - - -
max 1 1 1
da max 75 79 83
ds max 68 72 76
Grade A min - - -
Grade B min 67.26 71.26 75.26
dw Grade A min - - -
Grade B min 92.9 97.7 102.4
e Grade A min - - -
Grade B min 110.51 116.16 121.81
k Nominal Size 43 45 48
Grade A min - - -
max - - -
Grade B min 42.5 44.5 47.5
max 43.5 45.5 48.5
k1 min 29.8 31.2 33.2
r min 2 2 2
s max=nominal size 100 105 110
Grade A min - - -
Grade B min 97.8 102.8 107.8

Screw Thread
d		 M80 M90 M100
P Pitch Fine thread-1 4 4 4
Fine thread-2 - - -
Length of Thread
b		 L≤125 - - -
125＜L≤200 172 192 -
L＞200 185 205 225
c min - - -
max 2 2 2
da max 87 97 108
ds max 80 90 100
Grade A min - - -
Grade B min 79.26 89.13 99.13
dw Grade A min - - -
Grade B min 107.2 121.1 135.4
e Grade A min - - -
Grade B min 127.46 144.08 161.03
k Nominal Size 50 57 63
Grade A min - - -
max - - -
Grade B min 49.5 56.4 62.4
max 50.5 57.6 63.6
k1 min 34.6 39.5 43.7
r min 2 2.5 2.5
s max=nominal size 115 130 145
Grade A min - - -
Grade B min 112.8 127.5 142.5



b measurement varies according to length of bolt
b1 for L ≤ 125 mm
b2 for 125mm < L ≤ 200 mm
b3 for L > 200 mm


All information is strictly informative