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Unit:mm

T-head bolts

DIN 261 - 1987

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德标DIN 261 - 1987 DIN261 261DIN T-head bolts
Download CAD Model*
德标DIN 261 - 1987 DIN261 261DIN T-head bolts
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.
Screw Thread
d
M8 M10 M12 M16 M20 M24 M30 M36
P Pitch
b L≤120
120＜L≤200
L＞200
d0
ds max
min
k Nominal Size
max
min
s Nominal Size
max
min
s1 Nominal Size
min
max
t min
n max
min
1.25 1.5 1.75 2 2.5 3 3.5 4
22 26 30 38 46 54 66 78
- - - 44 52 60 72 84
- - - - - - - -
- - - - - - - M12
8.58 10.58 12.7 16.7 20.84 24.84 30.84 37
7.42 9.42 11.3 15.3 19.16 23.16 29.16 35
5.5 7 8 10.5 13 15 19 23
5.9 7.5 8.75 11.4 13.9 15.9 20 24
5.1 6.5 7.25 9.6 12.1 14.1 18 22
8 10 12 16 20 24 30 36
8.75 10.75 12.9 16.9 21 25 31 37.25
7.25 9.25 11.1 15.1 19 23 29 34.75
18 21 26 30 36 43 54 66
18.9 22 27 31 37.25 44.25 55.5 67.5
17.1 20 25 29 35.75 41.75 52.5 64.5
- - - - - - - 22
8.75 10.75 12.9 16.9 21 25 31 37.25
7.25 9.25 11.1 15.1 19 23 29 34.75
Weight of per 1000 steel products(≈kg)
- - - - - - - -
Length of Thread b
- - - - - - - -
Screw Thread
d
M42 M48 M56 M64 M72 M80 M90 M100
P Pitch
b L≤120
120＜L≤200
L＞200
d0
ds max
min
k Nominal Size
max
min
s Nominal Size
max
min
s1 Nominal Size
min
max
t min
n max
min
4.5 5 5.5 6 6 6 6 6
90 - - - - - - -
96 108 124 130 - - - -
109 121 137 143 169 185 205 225
M12 M12 M16 M16 M16 M20 M20 M20
34 38 45 50 55 65 70 80
33 37 44 49 53.8 63.8 68.8 78.8
26 30 35 40 45 50 55 62
27 31 36.25 41.25 46.25 51.25 56.5 63.5
25 29 33.75 38.75 43.75 48.75 53.5 60.5
42 48 56 64 72 80 90 100
43.25 49.25 57.5 65.5 73.5 81.5 91.75 101.75
40.75 46.75 54.5 62.5 70.5 78.5 88.25 98.25
80 88 102 115 128 140 155 170
81.5 89.75 103.75 116.75 130 142 157 172
78.5 86.25 100.25 113.25 126 138 153 168
22 22 26 26 26 33 33 33
43.25 49.25 57.5 65.5 73.5 81.5 91.75 101.75
40.75 46.75 54.5 62.5 70.5 78.5 88.25 98.25
Weight of per 1000 steel products(≈kg)
- - - - - - - -
Length of Thread b
- - - - - - - -

Alternative history

DIN 261 - 1987 DIN 261 - 2010
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