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The spiral bevel (4 bolt) rear axle is all BSF threads. Screws with the
prefix CMZ are UNF thread and are not applicable to the spiral bevel
assembly.
The screws that hold the axle shafts into the hubs are 2K3825 and are 1/4"
BSF threads with countersink slot heads and there is one on each side. They
are listed but not illustrated in the Parts Book.
No screws are specified to secure the drums to the hubs through the axle
flanges although I have found that there was usually one at least on each
side, again with a slotted head.
These screws were really only installed to hold things together during the
assembly process and really serve no purpose once the splined adaptors are
installed.
I haven't been able to find a source so make my own as required.
M
On Mon., Oct. 25, 2021, 4:41 p.m. Bob Haskell via Healeys, <
healeys@autox.team.net> wrote:
> I wish I could read and comprehend the question correctly. The 100
> parts manual I have does not list the screws for the spiral bevel diff.
> Just the hypoid. Sorry.
>
> Cheers,
>
> Bob Haskell
> Austin Healey 3000 BN7/BT7 registrar
>
> On 10/25/21 4:33 PM, Bob Haskell wrote:
> > Gary,
> >
> > Yes, they have the screws with three on each side, two for the brake
> > drum and one for the rear axle. Phillips flat head screw, zinc plated
> > 1/4" - 28.
> >
> > CMZ0408 - 2 per vehicle (1/2" long)
> > CMZ0414 - 4 per vehicle (1-7/8" long) assuming wire wheels
> >
> > Cheers,
> >
> > Bob Haskell
> > Austin Healey 3000 BN7/BT7 registrar
> >
> > On 10/25/21 3:48 PM, warthodson--- via Healeys wrote:
> >> Am I correct in assuming the BN1's from 138031-221535 with the spiral
> >> bevel rear ends did not have/use the (2) recessed countersunk machine
> >> screws to clamp the rear axle to the rear hub?
> >> If I am incorrect, what is the part number & specifications for these
> >> screws. Also, is there a source for them?
> >> Thanks,
> >> Gary Hodson
> >>
> >> _______________________________________________
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> >>
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> >>
> >
>
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Content-Transfer-Encoding: quoted-printable
<div dir=3D"auto">The spiral bevel (4 bolt) rear axle is all BSF threads. S=
crews with the prefix CMZ are UNF thread and are not applicable to the spir=
al bevel assembly.=C2=A0<div dir=3D"auto">The screws that hold the axle sha=
fts into the hubs are 2K3825 and are 1/4" BSF threads with countersink=
slot heads and there is one on each side. They are listed but not illustra=
ted in the Parts Book.</div><div dir=3D"auto">No screws are specified to se=
cure the drums to the hubs through the axle flanges although I=C2=A0 have f=
ound that there was usually one at least on each side, again with a slotted=
head.</div><div dir=3D"auto">These screws were really only installed to ho=
ld things together during the assembly process and really serve no purpose =
once the splined adaptors are installed.</div><div dir=3D"auto">I haven'=
;t been able to find a source so make my own as required.=C2=A0</div><div d=
ir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div class=3D"gmai=
l_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon., Oct. 25, 2021, 4:41=
p.m. Bob Haskell via Healeys, <<a href=3D"mailto:healeys@autox.team.net=
" target=3D"_blank" rel=3D"noreferrer">healeys@autox.team.net</a>> wrote=
:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bor=
der-left:1px #ccc solid;padding-left:1ex">I wish I could read and comprehen=
d the question correctly.=C2=A0 The 100 <br>
parts manual I have does not list the screws for the spiral bevel diff.=C2=
=A0 <br>
Just the hypoid.=C2=A0 Sorry.<br>
<br>
Cheers,<br>
<br>
Bob Haskell<br>
Austin Healey 3000 BN7/BT7 registrar<br>
<br>
On 10/25/21 4:33 PM, Bob Haskell wrote:<br>
> Gary,<br>
><br>
> Yes, they have the screws with three on each side, two for the brake <=
br>
> drum and one for the rear axle.=C2=A0 Phillips flat head screw, zinc p=
lated <br>
> 1/4" - 28.<br>
><br>
> CMZ0408 - 2 per vehicle (1/2" long)<br>
> CMZ0414 - 4 per vehicle (1-7/8" long) assuming wire wheels<br>
><br>
> Cheers,<br>
><br>
> Bob Haskell<br>
> Austin Healey 3000 BN7/BT7 registrar<br>
><br>
> On 10/25/21 3:48 PM, warthodson--- via Healeys wrote:<br>
>> Am I correct in assuming the BN1's from 138031-221535 with the=
spiral <br>
>> bevel rear ends did not have/use the (2) recessed countersunk mach=
ine <br>
>> screws to clamp the rear axle to the rear hub?<br>
>> If I am incorrect, what is the part number & specifications fo=
r these <br>
>> screws. Also, is there a source for them?<br>
>> Thanks,<br>
>> Gary Hodson<br>
>><br>
>> _______________________________________________<br>
>> Support Team.Net <a href=3D"http://www.team.net/donate.html"; rel=
=3D"noreferrer noreferrer noreferrer" target=3D"_blank">http://www.team.net=
/donate.html</a><br>
>> Suggested annual donation=C2=A0 $12.75<br>
>><br>
>> Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"=
noreferrer noreferrer noreferrer" target=3D"_blank">http://www.team.net/pip=
ermail/healeys</a> <br>
>> <a href=3D"http://autox.team.net/archive"; rel=3D"noreferrer norefe=
rrer noreferrer" target=3D"_blank">http://autox.team.net/archive</a><br>
>><br>
>> <a href=3D"mailto:Healeys@autox.team.net"; rel=3D"noreferrer norefe=
rrer" target=3D"_blank">Healeys@autox.team.net</a><br>
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noreferrer noreferrer noreferrer" target=3D"_blank">http://autox.team.net/m=
ailman/listinfo/healeys</a><br>
>><br>
>> Unsubscribe/Manage: <br>
>> <a href=3D"http://autox.team.net/mailman/options/healeys/rchaskell=
@earthlink.net" rel=3D"noreferrer noreferrer noreferrer" target=3D"_blank">=
http://autox.team.net/mailman/options/healeys/rchaskell@earthlink.net</a><b=
r>
>><br>
><br>
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</blockquote></div>
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