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Is there anything special about rotor bolts?
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I fitted a new rotor to a new wheel yesterday (6-bolt) and didn't have any spare bolts so borrowed them from another bike. As I go to buy replacements, is there anything special about such bolts? I know they're generally Torx button heads, but I can buy them in steel, titanium or even aluminium.
They're not expensive, and they'd be useful elsewhere on the bike (I'd get stainless) but I prefer socket head screws in general because I don't always have a T25 on me, depending on which tools I'm carrying.
So is there anything special about the material or shape?
disc-brake
asked 4 hours ago
Chris H
20.1k13192
add a comment |Â
up vote
2
down vote
favorite
I fitted a new rotor to a new wheel yesterday (6-bolt) and didn't have any spare bolts so borrowed them from another bike. As I go to buy replacements, is there anything special about such bolts? I know they're generally Torx button heads, but I can buy them in steel, titanium or even aluminium.
They're not expensive, and they'd be useful elsewhere on the bike (I'd get stainless) but I prefer socket head screws in general because I don't always have a T25 on me, depending on which tools I'm carrying.
So is there anything special about the material or shape?
disc-brake
asked 4 hours ago
Chris H
20.1k13192
add a comment |Â
up vote
2
down vote
favorite
up vote
2
down vote
favorite
I fitted a new rotor to a new wheel yesterday (6-bolt) and didn't have any spare bolts so borrowed them from another bike. As I go to buy replacements, is there anything special about such bolts? I know they're generally Torx button heads, but I can buy them in steel, titanium or even aluminium.
They're not expensive, and they'd be useful elsewhere on the bike (I'd get stainless) but I prefer socket head screws in general because I don't always have a T25 on me, depending on which tools I'm carrying.
So is there anything special about the material or shape?
disc-brake
asked 4 hours ago
Chris H
20.1k13192
I fitted a new rotor to a new wheel yesterday (6-bolt) and didn't have any spare bolts so borrowed them from another bike. As I go to buy replacements, is there anything special about such bolts? I know they're generally Torx button heads, but I can buy them in steel, titanium or even aluminium.
They're not expensive, and they'd be useful elsewhere on the bike (I'd get stainless) but I prefer socket head screws in general because I don't always have a T25 on me, depending on which tools I'm carrying.
So is there anything special about the material or shape?
disc-brake
disc-brake
asked 4 hours ago
Chris H
20.1k13192
asked 4 hours ago
Chris H
20.1k13192
asked 4 hours ago
Chris H
20.1k13192
asked 4 hours ago
Chris H
20.1k13192
asked 4 hours ago
Chris H
20.1k13192
20.1k13192
add a comment |Â
add a comment |Â
2 Answers
2
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oldest
votes
up vote
3
down vote
The Torx heads are generally lower in profile than equivalent bolts with a hex socket. This solves clearance problems in some fork-wheel-disk setups.
Torx heads can be made shorter because the star pattern of the hole provides more contact points with a screwing tool, thus allowing reaching the same torque values without risk of stripping the bolt head. An equivalent sexagon head would have to be higher to reach the same torque value.
answered 1 hour ago
Grigory Rechistov
3,524727
I'll get my calipers out. I reckon I can get away with a little extra, and now you mention it the torx head looks closer in height to an M4 socket head than an M5
– Chris H
1 hour ago
add a comment |Â
up vote
0
down vote
I used my old rotor screws on a new bike and it worked perfectly fine! One thing to remeber is threadlock, blue(medium strength should do), since you are screwing into metal. Dont want these screws to get loose!^^
answered 2 hours ago
Eirik Bernhart
111
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
2
I think the question is more about "why use Torx bolts instead of more available allen key head bolts", not "why reuse old Torx bolts with a new rotor".
– Grigory Rechistov
1 hour ago
add a comment |Â
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
3
down vote
The Torx heads are generally lower in profile than equivalent bolts with a hex socket. This solves clearance problems in some fork-wheel-disk setups.
Torx heads can be made shorter because the star pattern of the hole provides more contact points with a screwing tool, thus allowing reaching the same torque values without risk of stripping the bolt head. An equivalent sexagon head would have to be higher to reach the same torque value.
answered 1 hour ago
Grigory Rechistov
3,524727
I'll get my calipers out. I reckon I can get away with a little extra, and now you mention it the torx head looks closer in height to an M4 socket head than an M5
– Chris H
1 hour ago
add a comment |Â
up vote
3
down vote
The Torx heads are generally lower in profile than equivalent bolts with a hex socket. This solves clearance problems in some fork-wheel-disk setups.
Torx heads can be made shorter because the star pattern of the hole provides more contact points with a screwing tool, thus allowing reaching the same torque values without risk of stripping the bolt head. An equivalent sexagon head would have to be higher to reach the same torque value.
answered 1 hour ago
Grigory Rechistov
3,524727
I'll get my calipers out. I reckon I can get away with a little extra, and now you mention it the torx head looks closer in height to an M4 socket head than an M5
– Chris H
1 hour ago
add a comment |Â
up vote
3
down vote
up vote
3
down vote
The Torx heads are generally lower in profile than equivalent bolts with a hex socket. This solves clearance problems in some fork-wheel-disk setups.
Torx heads can be made shorter because the star pattern of the hole provides more contact points with a screwing tool, thus allowing reaching the same torque values without risk of stripping the bolt head. An equivalent sexagon head would have to be higher to reach the same torque value.
answered 1 hour ago
Grigory Rechistov
3,524727
The Torx heads are generally lower in profile than equivalent bolts with a hex socket. This solves clearance problems in some fork-wheel-disk setups.
Torx heads can be made shorter because the star pattern of the hole provides more contact points with a screwing tool, thus allowing reaching the same torque values without risk of stripping the bolt head. An equivalent sexagon head would have to be higher to reach the same torque value.
answered 1 hour ago
Grigory Rechistov
3,524727
answered 1 hour ago
Grigory Rechistov
3,524727
answered 1 hour ago
Grigory Rechistov
3,524727
answered 1 hour ago
Grigory Rechistov
3,524727
3,524727
I'll get my calipers out. I reckon I can get away with a little extra, and now you mention it the torx head looks closer in height to an M4 socket head than an M5
– Chris H
1 hour ago
add a comment |Â
I'll get my calipers out. I reckon I can get away with a little extra, and now you mention it the torx head looks closer in height to an M4 socket head than an M5
– Chris H
1 hour ago
I'll get my calipers out. I reckon I can get away with a little extra, and now you mention it the torx head looks closer in height to an M4 socket head than an M5
– Chris H
1 hour ago
I'll get my calipers out. I reckon I can get away with a little extra, and now you mention it the torx head looks closer in height to an M4 socket head than an M5
– Chris H
1 hour ago
add a comment |Â
up vote
0
down vote
I used my old rotor screws on a new bike and it worked perfectly fine! One thing to remeber is threadlock, blue(medium strength should do), since you are screwing into metal. Dont want these screws to get loose!^^
answered 2 hours ago
Eirik Bernhart
111
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
2
I think the question is more about "why use Torx bolts instead of more available allen key head bolts", not "why reuse old Torx bolts with a new rotor".
– Grigory Rechistov
1 hour ago
add a comment |Â
up vote
0
down vote
I used my old rotor screws on a new bike and it worked perfectly fine! One thing to remeber is threadlock, blue(medium strength should do), since you are screwing into metal. Dont want these screws to get loose!^^
answered 2 hours ago
Eirik Bernhart
111
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
2
I think the question is more about "why use Torx bolts instead of more available allen key head bolts", not "why reuse old Torx bolts with a new rotor".
– Grigory Rechistov
1 hour ago
add a comment |Â
up vote
0
down vote
up vote
0
down vote
I used my old rotor screws on a new bike and it worked perfectly fine! One thing to remeber is threadlock, blue(medium strength should do), since you are screwing into metal. Dont want these screws to get loose!^^
answered 2 hours ago
Eirik Bernhart
111
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I used my old rotor screws on a new bike and it worked perfectly fine! One thing to remeber is threadlock, blue(medium strength should do), since you are screwing into metal. Dont want these screws to get loose!^^
answered 2 hours ago
Eirik Bernhart
111
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 2 hours ago
Eirik Bernhart
111
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 2 hours ago
Eirik Bernhart
111
answered 2 hours ago
Eirik Bernhart
111
111
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Eirik Bernhart is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
2
I think the question is more about "why use Torx bolts instead of more available allen key head bolts", not "why reuse old Torx bolts with a new rotor".
– Grigory Rechistov
1 hour ago
add a comment |Â
2
I think the question is more about "why use Torx bolts instead of more available allen key head bolts", not "why reuse old Torx bolts with a new rotor".
– Grigory Rechistov
1 hour ago
2
2
I think the question is more about "why use Torx bolts instead of more available allen key head bolts", not "why reuse old Torx bolts with a new rotor".
– Grigory Rechistov
1 hour ago
I think the question is more about "why use Torx bolts instead of more available allen key head bolts", not "why reuse old Torx bolts with a new rotor".
– Grigory Rechistov
1 hour ago
add a comment |Â
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