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(Non-preferred) dimensions in parentheses.

Hexagon head bolts - Part 2: Metric thread M 68 to M 160 x 6 - Product grade B

DIN 931-2 - 2009

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德标DIN 931-2 - 2009 DIN931-2 931-2DIN Hexagon head bolts - Part 2: Metric thread M 68 to M 160 x 6 - Product grade B
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Screw Thread
d
(M68) M72 (M76) M80 M90 M100 M110 M125 M140 M160
P Pitch
b 125<L≤200
L>200
c min
max
da max
ds max=nominal size
min
dw min
e min
k Nominal Size
min
max
k1 min
r min
s max=nominal size
min
6 6 6 6 6 6 6 6 6 6
148 156 164 172 192 - - - - -
161 169 177 185 205 225 245 275 305 345
0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
1 1 1 2 2 2 2 2 2 2
75 79 83 87 97 107 117 132 147 167
68 72 76 88 90 100 110 125 140 160
67.26 71.26 75.26 79.26 89.13 99.13 109.13 124 139 159
92.9 97.7 102.1 106.9 121.1 135.4 144.9 168.6 185.6 214.1
110.51 116.16 121.81 127.46 144.08 161.02 172.32 200.57 220.8 254.7
43 45 48 50 57 63 69 79 88 100
42.5 44.5 47.5 49.5 56.4 62.4 68.4 78.4 87.3 99.3
43.5 45.5 48.5 50.5 57.6 63.6 69.6 79.6 88.7 100.7
29.8 31.2 33.2 34.6 40.3 43.7 47.9 54.9 61.1 69.5
2 2 2 2 2.5 2.5 2.5 2.5 2.5 2.5
100 105 110 115 130 145 155 180 200 230
97.8 102.8 107.8 112.8 127.5 142.5 152.5 177.5 195.4 225.4
Length of Thread b
- - - - - - - - - -
①,Material:
Steel, mechanical properties: according to the respective material or by agreement
Note: The marking of strength classes according to DIN EN ISO 898-1 can also be used for sizes over M39 if all mechanical properties assigned to the respective characteristic are maintained

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