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Bolts for railway applications |
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Applications |
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Mainly used for the connection of railway track joints |
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Basic parameters |
● Material: carbon steel alloy steel
● Specifications: M10-M100 (/ 3/8 "-4")
● Length: 20mm ~ 1500mm
● grade:
● Steel ISO898: 4.6 ~ 12.9; J429 Gr.2-Gr.8
● Surface: black, galvanized, hot-dip galvanized, Dacromet, Teflon and so on |
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Type size and mark example |
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10.9 high-strength bolts in the form of size drawings |
10.9 grade high strength insulation joint bolt form size drawing |
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Parameters Table |
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Nuts, bolts performance level |
Category |
Main dimensions(mm) |
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d(D) |
ds |
dw1 |
dw2 |
dw3 |
d1 |
d3 |
dk(e) |
S |
K |
a |
R |
L |
b |
m |
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10.9S |
High strength bolts for rails |
24 |
22.051 |
32 |
33 |
24 |
37 |
20 |
40 |
- |
16 |
- |
- |
135
140
160 |
60 |
|
|
22 |
20.376 |
30 |
31 |
22 |
33 |
18 |
37 |
- |
15 |
- |
- |
135
145
150 |
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High strength insulated joint bolts for rails |
24 |
22.051 |
24 |
- |
- |
- |
- |
39.55 |
36 |
15 |
- |
- |
150
165
170
180 |
60 |
|
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8.8S |
High strength bolts for rails |
24 |
22.051 |
32 |
33 |
24 |
37 |
- |
40 |
- |
16 |
8 |
16 |
145 |
60 |
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|
22 |
20.376 |
30 |
31 |
22 |
33 |
- |
37 |
- |
15 |
7 |
15 |
135 |
50 |
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High strength insulated joint bolts for rails |
22 |
20.376 |
22 |
- |
- |
- |
- |
39.55 |
36 |
15 |
- |
- |
150
160
170 |
60 |
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10H |
Nuts for joint bolts and insulation joint bolts |
24 |
__ |
39.55 |
36 |
__ |
24 |
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22 |
22 |
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