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Technical Wheel studs 42-48

Discussion in 'Traditional Hot Rods' started by Seabass90, Feb 12, 2026 at 1:22 PM.

  1. Seabass90
    Joined: Feb 23, 2025
    Posts: 6

    Seabass90
    Member
    from Sweden

    I have 42-48 drums, and some of the studs are damaged. Looking for studs and nuts for these but have a hard time finding exactly what to get.

    Can anyone tell me the specs of these, or even better, provide a link of what I need to get?

    Thanks in advance,
    Sebastian
     
  2. RICH B
    Joined: Feb 7, 2007
    Posts: 6,068

    RICH B
    ALLIANCE MEMBER

    If you can't locate stock style studs or don't have the way to swedge them; I saw somewhere that Dorman 610-169 serrated studs work. Also remember that you may have to use a washer under the head to control the length of serration. I've never used them so do your research.

    https://www.dormanproducts.com/p-2560-610-169.aspx
     
    LOU WELLS and 51 mercules like this.
  3. Budget36
    Joined: Nov 29, 2014
    Posts: 15,402

    Budget36
    Member

    I bought mine through Drake or Carpenter’s, issue is the shoulder is way too long.
    @alanp561 replaced his with a Dorman set, and I think he also reamed to suggested size.
     
    alanp561 likes this.
  4. 19Eddy30
    Joined: Mar 27, 2011
    Posts: 4,240

    19Eddy30
    Member
    from VA

    When I did the swedge I used a Hollow diamond dust hole saw to cut swedge .
    From Lowes like $15
    Slid over original stud ,cut / grind swedge .
    New modern stud I cut 1/8 off one side of head
    To clear tapper of spindle the pressed in
     
    alanp561 and 51 mercules like this.
  5. 3blapcam
    Joined: Jul 15, 2004
    Posts: 625

    3blapcam
    Member

    I did all 10 on the rears of my '32 (later hydraulic brakes & hubs). That was quite the learning experience! I think I bought new studs from Mac's. I also bought the "swedging tool" that's listed for Model A's. It's not very expensive, but I wasn't sure why it was only listed for Model A's. I went to town swedging away... or so I thought. On the first one, I pressed and pressed, but didn't really swedge it. Then, I couldn't get the tool off the wheel stud. The reason it's only listed for Model A's is because it's not deep enough to handle the later studs. I don't know what that difference is, but it bottomed out and mushroomed the tip inside the tool, causing it to be stuck forever. I bought another one and a replacement stud and somehow determined that was the problem. I then chucked the new tool in a drill press and drilled it a little deeper and then relatively quickly knocked them all out.

    I know on some of them you have to cut the head to clear the inside hub. I think I did that on one hub. I don't remember anymore, it's been awhile.

    3blap.
     
  6. banjorear
    Joined: Jul 30, 2004
    Posts: 4,853

    banjorear
    Member

    I'll double check the part number of the Dormans I've used, they are serrated and you need to ream the existing hole before installing. Once in, they are good to go.

    When I get a moment, I'll check the part numbers and what size reamer you need.
     
  7. RICH B
    Joined: Feb 7, 2007
    Posts: 6,068

    RICH B
    ALLIANCE MEMBER

    I ***umed when he said '42-'48 that he was referring to the type with the drums mounted inside the hub flange. The kind with large diameter shank on the studs.
     
    alchemy likes this.
  8. Seabass90
    Joined: Feb 23, 2025
    Posts: 6

    Seabass90
    Member
    from Sweden

    Yes, that's what I meant. For more clarity, these are the drums I have. I'm missing just one stud, but the threads are bad on some as well.

    What are the threads? Might be easier to get a tap tool to clean them up rather then replacing all..
    IMG_5747.JPEG IMG_5748.JPEG
     
  9. RICH B
    Joined: Feb 7, 2007
    Posts: 6,068

    RICH B
    ALLIANCE MEMBER

    Threads are 1/2-20.
    A thread chaser or die will clean up threads; but won't restore bad ones.
    Don't skimp on your wheel stud threads.
     
    deadbeat, rusty valley and Budget36 like this.
  10. Ducbsa
    Joined: Jan 1, 2009
    Posts: 107

    Ducbsa
    Member
    from Virginia

    The Green Book says they are part # 68 1107, same from 36-48.
     
    rusty valley likes this.

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