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TOPIC: Help cracked castle nut .95 ID?

Help cracked castle nut .95 ID? 2 years 1 month ago #123271

  • peoriaone
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Hello, I have a 1959 Alumacraft deep c I am about ready to splash and I discovered a cracked castle nut on one axle. Can't find at auto or trailer store locally. It is measuring at .95 inch inside diameter. Am sure original trailer so around 1959 any suggestions on where to look? Thanks

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Re:Help cracked castle nut .95 ID? 2 years 4 weeks ago #123305

The way I figure correct thread size, is going to the big box store, with the cracked nut, and check it on the threaded studs in the hardware section. That way you know what to look for ?
Tractor Supply may be another option too ?

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Re:Help cracked castle nut .95 ID? 2 years 4 weeks ago #123330

  • Robby321
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Mean .950 right? Probably standard 1 inch axle NF (National Fine) thread. 1"-12 TPI.
Attachments:

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Re:Help cracked castle nut .95 ID? 2 years 3 weeks ago #123355

Machinery's says 1"-12 fine minor internal thread dia. is .9098
a 1"-20 extra fine internal thread dia. is .9459 Which is close to what calipers would read ?

Since I don't know the standard thread for an axle ? I don't know which it would be ?

But at least the nominal thread size of 1" is nailed down. Now you just have to find the correct thread pitch ?

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Re:Help cracked castle nut .95 ID? 2 years 3 weeks ago #123357

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Thanks for the help, it was my ignorance. It was indeed a one inch nut!

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Re:Help cracked castle nut .95 ID? 2 years 3 weeks ago #123372

  • Robby321
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!-20 is a oddball thread, and can't find any F/S. But I went (retired Machinist)and looked some my books and thinking now I bet its 1-14 axle nut, not 1-12. Has to be it. With no TPI gauge on hand, just lay a good small ruler on the threads and start middle threads, and count back "points" in 1/2 inch. Should be 7. If so, heres what ya need. Link..(any auto parts store should have them)

www.oreillyauto.com/site/c/detail/DAG0/220019/N2125.oap?ck=Search_N2125_-1_-1&pt=N2125&ppt=C1965

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Re:Help cracked castle nut .95 ID? 2 years 3 weeks ago #123526

  • Robby321
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Well, did ya find the right nut?

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