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shouldered bolts for hub spacers???


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I am using .355 spacers for my vented 4x4 swap.

 

This is the least problem I thought I would come across. I am looking for the hub spacer bolts with the correct thread and shoulder. I am having a problem with standard fully threaded 10x1.25mm bolts because the shoulder on original bolts helps guide the rotors and hubs to a true center. Where are you guys finding your correct bolts? I went to local hardware stores and can not find the correct size anywhere. When I do find the correct length, they do not have the shoulder required. Now my rotors are moving up and down as they turn, on the jack stands of course.

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The spacers should be centering on the hub, and the spacer should have a raised area in the middle to center the rotor on the spacer.

 

With that said, I get my bolts at one of 4 locations:

1. Local ACE hardware in Roseville, CA. They have an excellent selection stocked by midwest fasteners.

2. McMaster Carr

3. Bolt Depot

4. Fastenal.

 

When I did my Toyota vented upgrade, I assembled the parts off the car. I got 2 pieces of wood and set the rotors on them, I then loosly hung the hub from it then slowly gave each bolt a half turn each working my way around until it was snug, then torque to spec. This was my best attempt at the time to get it centered. I later pulled the brakes off as I did not like the front to rear bias.

 

Do be aware that the OEM does not rely on the bolts to center the rotor to the hub.

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The shoulder(nonthreaded area) sets the spacer and rotors even. I dont have a problem with putting them on, I just cant find the correct bolts, but then I just realized I have some z31 axle bolts that looks like itll do the job.

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