Supra LE wheel lug bolts

Discussion in 'Wheels, Tires, Spacers, Hub' started by Skeeter, Aug 27, 2019.

  1. Skeeter

    Skeeter Active Member

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    #1 Aug 27, 2019
    Does anyone know the specs on the wheel lug bolts for the Supra? I could just take a bolt off and measure it, but the car is still over at the dealers for some detail type work, and a new battery replacement (the dealer buckled the seatbelts and left them that way, which let a parasitic drain on the battery) so I can't measure them myself. I have a set of M14X1.25X26mm titanium bolts that I think would fit, and would like to use, however I'm just not sure of the length of the OEM bolts.
     
    Darth likes this.
  2. Darth

    Darth Well-Known Member

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    #2 Sep 6, 2019
    Did you find out how long are the OEM bolts? I am also trying to know..
     
  3. OP
    OP
    Skeeter

    Skeeter Active Member

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    #3 Sep 8, 2019
    Haven't heard anything back from anyone yet. I am going to take one off my car and measure it. I'll let you know when I do
     
  4. dd1eye

    dd1eye Member

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    #4 Oct 2, 2019
    Hey I was wondering the same thing. Did you measure it?
    Thanks
     
  5. ChrisD

    ChrisD Well-Known Member

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    #5 Oct 4, 2019
    I measured the thread pitch the other day and they are definitely 1.25 but I didn't measure length or diameter (from other articles I've seen I believe they are M14 diameter though). If the length is important, I'll measure mine on Monday. 26mm sounds a bit too short to me though.
     
  6. OP
    OP
    Skeeter

    Skeeter Active Member

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    Cecil
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    #6 Oct 4, 2019
    The lug studs are M14 X 1.25MM.. I don't know whether to measure from the bottom of the bolt to the bottom of the conical seat, or to the top of the seat. However, I believe they are 48mm long, M14X1.25X48.
     
  7. ChrisD

    ChrisD Well-Known Member

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    #7 Oct 7, 2019
    Ah I took one out today to measure it for you but seems you've already done it

    20191007_214144.jpg
     
    30MilesOffshore likes this.
  8. 30MilesOffshore

    30MilesOffshore Well-Known Member

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    #8 Feb 28, 2020
    So it looks like the bolt measures 28mm. Anyone know how much clearance room there is behind the bolt when mounted. For example, if using a 50mm bolt would it hit behind the wheel?
     
  9. s219

    s219 Well-Known Member

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    #9 Feb 29, 2020
    Bolts are always resized (when you add/remove spacers, etc) to result in no-net-change of thread engagement, which suggests the depth is important.
     
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