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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

T-head Bolts with Double Nib

DIN 188 - 2024

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德标DIN 188 - 2024 DIN188 188DIN T-head Bolts with Double Nib
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 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

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.
Thread Size
d
M8 M10 M12 M16 M20 M24 M30 M36 M42 M48 M56 M64 M72 M80
P Pitch
b Ref. L≤120
120＜L≤200
L＞200
ds Nominal Size
max
min
e ④ min
k Nominal Size
max
min
n Nominal Size
max
min
m Nominal Size
max
min
r1 ≈
r2 ① max
1.25 1.5 1.75 2 2.5 3 3.5 4 4.5 5 5.5 6 6 6
22 26 30 38 46 54 66 78 / / / / / /
28 32 36 44 52 60 72 84 96 108 124 130 156 172
/ / 49 57 65 73 85 97 109 121 137 143 169 185
8 10 12 16 20 24 30 36 42 48 56 64 72 80
8.58 10.58 12.7 16.7 20.84 24.84 30.84 37 43 49 57.2 65.2 73.2 81.2
7.42 9.42 11.3 15.3 19.16 23.16 29.16 35 41 47 54.8 62.8 70.8 78.8
9.24 11.81 14.17 19.32 24.33 29.48 37.20 44.57 52.29 60.00 69.96 80.25 90.55 100.85
5.5 7 8 10.5 13 15 19 23 26 30 35 40 45 50
5.9 7.45 8.75 11.4 13.9 15.9 20 24 27 31 36.25 41.25 46.25 51.25
5.1 6.55 7.25 9.6 12.1 14.1 18 22 25 29 33.75 38.75 43.75 48.75
8 10 12 16 20 24 30 36 42 48 56 64 72 80
8.75 10.75 12.9 16.9 21 25 31 37.25 43.25 49.25 57.5 65.5 73.5 81.5
7.25 9.25 11.1 15.1 19 23 29 34.75 40.75 46.75 54.5 62.5 70.5 78.5
18 21 26 30 36 43 54 66 80 88 102 115 128 140
18.9 22 27 31 37.25 44.25 55.5 67.5 81.5 89.75 103.75 116.75 130 142
17.1 20 25 29 34.75 41.75 52.5 64.5 78.5 86.25 100.25 113.25 126 138
0.5 0.5 1.0 1.0 1.0 1.6 1.6 2 2 2 3 3 4 4
1.2 1.5 1.8 2.4 3.0 3.6 4.5 5.4 6.3 7.2 8.4 9.6 10.8 12.0
Weight of per 1000 steel products(≈kg)
- - - - - - - - - - - - - -
Length of Thread b
- - - - - - - - - - - - - -
①,r2. max.= 0.15 x d
②,Thread end tapered tip (CH) or raised tip (RN) according to DIN EN ISO 4753 at the manufacturers choice.
③,a)Material: Steel
b)Mechanical properties : Strength class （material） ≤M39: 4.6，> M39: by arrangement
standard DIN EN ISO 4759-1
④,e(min)=n(min) x 1.41 - 0.82 x r2 (max)

Alternative history

DIN 188 - 1987 DIN 188 - 2011 DIN 188 - 2024
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