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Thread: AN bolt supplier

  1. #1

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    AN bolt supplier

    Anyone out there know a supplier of long AN bolts for a Prince propeller.Unfortunately the bolts supplied were not of a standard we were happy with .The bolts we require are AN8H-53A.Seems very hard to source.Thanks.Ron.

  2. #2

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    Try sabermfg.com
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  3. #3

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    Think they could be the supplier to Prince props.They are non certified bolts and probably zinc coated.The bolts corroded badly in the sockets.One sheered off on undoing bolts.This time it will be AN bolts!!

  4. #4
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by ron View Post
    ...and probably zinc coated.The bolts corroded badly in the sockets.
    ALL Cadmium plated bolts are zinc plated... before adding the Cadmium plating on top......

  5. #5

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    probably had nothing then!Mike your knowledge would probably lead me to a distributer of big AN bolts.Can you help please?

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    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by ron View Post
    Anyone out there know a supplier of long AN bolts for a Prince propeller.Unfortunately the bolts supplied were not of a standard we were happy with .The bolts we require are AN8H-53A.Seems very hard to source.Thanks.Ron.
    google AN8H-53A

  7. #7
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by ron View Post
    probably had nothing then!Mike your knowledge would probably lead me to a distributer of big AN bolts.Can you help please?
    bolt-an8-1-2-20

  8. #8
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by ron View Post
    probably had nothing then!Mike your knowledge would probably lead me to a distributer of big AN bolts.Can you help please?
    https://www.aircraftspruce.com/catalog/hapages/an8.php

  9. #9
    Grant's Avatar
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    Also, Keep in mind "Prop Bolts" sometimes have a shorter thread area. I looked and could not find a drilled head -53. You may need to drill the head yourself. I'd like to see a picture of the Bolts that came with the prop.
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  10. #10

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    will try and post a picture.Yes the thread on the bolts supplied have a longer thread but an An bolt would suffice as the lugs provided had a very short thread length.

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    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by Grant View Post
    ..Prop Bolts" sometimes have a shorter thread area....
    longer

  12. #12
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    Quote Originally Posted by mike mcs repair View Post
    longer
    ^^^^^^^^^^^^^^^^^
    What He Said

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    irishfield's Avatar
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    I'll try to remember to check my stock tomorrow!

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    I looked on the website, "stockmarket.aero"... It appears that Airfasco (you can Google them - they make a lot of the AN hardware for major suppliers but will sell to individuals) has 316 of them.
    Jose

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    Well.. sorry. I went to Airfasco's website and they don't list any in stock. Spirit Aviation with 3 of them is the only lead I saw. Might be time to drill the heads yourself?
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  18. #18
    irishfield's Avatar
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    I have 5 good (+ one with buggered threads) 1/2" x I'd say -56 bolts, w/drilled head and more than 1.25" of thread. Believe they are Sabers though, head marking is somewhat like an F911

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    Hi Irishfield ,Thanks for your reply which we find interesting that one bolt has a damaged thread.Most of mine have damaged threads after withdrawing the rusted bolts from the lugs.One bolt actually broke of internally.The head marking is the same,I believe Sabers.My engineer suspects the threads are not rolled like the AN bolts.Would you agree?As to why the bolts rusted in the lugs we cannot fathom.Manufacturer says we installed them wet or we used thread lock.Certainly none of the above.As aircraft is always hangared in the driest environment in NZ we are at a loss to explain.Hence my reason to use AN bolts.Your thoughts?

    Quote Originally Posted by irishfield View Post
    I have 5 good (+ one with buggered threads) 1/2" x I'd say -56 bolts, w/drilled head and more than 1.25" of thread. Believe they are Sabers though, head marking is somewhat like an F911
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    Hi 46 cub.As per my letter thank you.They replied none in stock yet I saw that figure you quoted??!!
    Quote Originally Posted by 46 Cub View Post
    I looked on the website, "stockmarket.aero"... It appears that Airfasco (you can Google them - they make a lot of the AN hardware for major suppliers but will sell to individuals) has 316 of them.
    Jose

  21. #21
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    Quote Originally Posted by ron View Post
    Hi Irishfield ,Thanks for your reply which we find interesting that one bolt has a damaged thread.Most of mine have damaged threads after withdrawing the rusted bolts from the lugs.One bolt actually broke of internally.The head marking is the same,I believe Sabers.My engineer suspects the threads are not rolled like the AN bolts.Would you agree?As to why the bolts rusted in the lugs we cannot fathom.Manufacturer says we installed them wet or we used thread lock.Certainly none of the above.As aircraft is always hangared in the driest environment in NZ we are at a loss to explain.Hence my reason to use AN bolts.Your thoughts?
    The thread section on the one is actually bent, like someone left it hanging holding everything. The other 5 are clean, zero corrosion and all roll true and a glass plate. I bought them years ago off Ebay as stock..
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  22. #22

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    Another source for AN hardware.

    https://www.bandbaircraftsupplies.com/

    Their website mentions Airfasco distributor.
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  23. #23
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by MartyC View Post
    Another source for AN hardware.

    https://www.bandbaircraftsupplies.com/

    Their website mentions Airfasco distributor.
    I find some hard to find stuff there occasionally.... good place

  24. #24
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    If all else fails and you are unable to get bolts with a hole in the head and you don't want to drill the hole, safety washers such as these would do the job.

    https://www.moto-performance.co.uk/m...e-tab-washers/
    N1PA
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  25. #25

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    Even with a prop Pete?
    Quote Originally Posted by skywagon8a View Post
    If all else fails and you are unable to get bolts with a hole in the head and you don't want to drill the hole, safety washers such as these would do the job.

    https://www.moto-performance.co.uk/m...e-tab-washers/

  26. #26
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    Why not? The washers go under the heads anyway. These washer tabs are bent up around the flats on the bolts and each tab will be wired to the adjacent bolt's tab. Position the tab in the proper relationship for the safety wire to be in the tightening direction. The safety wire is just a secondary safety since the torque will hold the bolt under normal conditions.

    This type of locking washer is sometimes used to safety connecting rod bolts in an engine among other uses.
    N1PA
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  27. #27
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by skywagon8a View Post
    If all else fails and you are unable to get bolts with a hole in the head and you don't want to drill the hole, safety washers such as these would do the job.

    https://www.moto-performance.co.uk/m...e-tab-washers/
    Interesting. Never heard of them. But that would work well. Going to have to find a supplier over here.


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  28. #28
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    Those are slick....
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  29. #29
    www.SkupTech.com mike mcs repair's Avatar
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    AN bolt supplier

    https://www.summitracing.com/parts/p...65?seid=srese1

    Ordered a couple sets. A few left in stock there


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  30. #30

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    many thanks Mike,still cannot get the required bolts!
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  31. #31
    Steve's Aircraft (Brian)'s Avatar
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    Usually I get my hard to find hardware through Genuine Aircraft Hardware... Prop bolts I get through the prop shops..

    Off subject but my dad found this bolt going through old boxes in the shop...



    It’s all raised lettering... never seen one before...

    Brian


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  32. #32
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by Steve's Aircraft (Brian) View Post
    Usually I get my hard to find hardware through Genuine Aircraft Hardware... ...

    Brian


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    Haven’t ordered from them yet.

    But some one gave me a copy of their data book/catalog. Everyone needs that. Great reference book. $8.00



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  33. #33
    www.SkupTech.com mike mcs repair's Avatar
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    So I got the safety wire washers. Metric. Fit -3, -5, -6 AN bolts.


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  35. #35
    skywagon8a's Avatar
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    Quote Originally Posted by Just call me Al View Post
    He's looking for AN8H-53A. The H means there is a hole drilled in the bolt head for safety wire.
    N1PA

  36. #36
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    Yes he is.. but they do show stock of -53A's and no reason he can't drill the head himself. That said, better have the grip length perfect when using a regular thread length AN bolt vs a prop bolt with almost double the thread length.

  37. #37
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    Quote Originally Posted by Steve's Aircraft (Brian) View Post
    Usually I get my hard to find hardware through Genuine Aircraft Hardware... Prop bolts I get through the prop shops..

    Off subject but my dad found this bolt going through old boxes in the shop...



    It’s all raised lettering... never seen one before...

    Brian


    Sent from my iPhone using Tapatalk
    Rebuilt some late 30s J3 wings many years ago and all the bolts in the wings had the Piper logo. Someone will find them in the auction at my hangar one day when I am gone.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

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