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Posted by on January 27, 2008, 1:59 pm
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> Tim Leech wrote:
> > wrote:
>
> >>campingstoveman wrote:
>
> >>>Gentlemen,
>
> >>>Can anyone tell me the tapping size of a 11/16ths UNF tap, I know its a
> >>>bastard size, I have bought a tap but none of my books give a drill size for
> >>>it.
> >>>Its for Landrover track rod ends.
>
> >>>Martin P
>
> >>MH gives, for 1-1/2D to 3D depth of engagement as between 0.651-0.655"
> >>so 21/32" drill is pretty close @ 0.65625"
>
> >>Tom
>
> > What is the pitch? 5/8" is 18 tpi, 3/4 is 16.
>
> > I've got an 11/16" UNS tap, 16 tpi, in my hand which is marked 'use
> > 5/8" drill'.
>
> > Tip
>
> My MH gives 11/16" UNF as 24 tpi. As the pitch wasn't quoted...
>
> Tom- Hide quoted text -
>
> - Show quoted text -
TomHi, yes that one confused me a bit although on my lists it is
quoted as 11/16" UNEF (Extra Fine??). Not having a track rod to look
at I couldn't confirm but from memory I thought they were fairly fine
but perhaps not quite that fine? I still haven't found a finite spec
but at least the practical approach seems to have worked for Martin.
Regards
Keith
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Posted by Tom on January 27, 2008, 2:06 pm
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Tim Leech wrote:
> wrote:
>
>
>>campingstoveman wrote:
>>
>>
>>>Gentlemen,
>>>
>>>Can anyone tell me the tapping size of a 11/16ths UNF tap, I know its a
>>>bastard size, I have bought a tap but none of my books give a drill size for
>>>it.
>>>Its for Landrover track rod ends.
>>>
>>>Martin P
>>>
>>
>>MH gives, for 1-1/2D to 3D depth of engagement as between 0.651-0.655"
>>so 21/32" drill is pretty close @ 0.65625"
>>
>>Tom
>
>
>
> What is the pitch? 5/8" is 18 tpi, 3/4 is 16.
>
> I've got an 11/16" UNS tap, 16 tpi, in my hand which is marked 'use
> 5/8" drill'.
>
> Tip
>
Missed the UNS, not UNF is it? :-)
Tom
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Posted by Tim Leech on January 27, 2008, 2:11 pm
Please log in for more thread options wrote:
>Tim Leech wrote:
>
>> wrote:
>>
>>
>>>campingstoveman wrote:
>>>
>>>
>>>>Gentlemen,
>>>>
>>>>Can anyone tell me the tapping size of a 11/16ths UNF tap, I know its a
>>>>bastard size, I have bought a tap but none of my books give a drill size for
>>>>it.
>>>>Its for Landrover track rod ends.
>>>>
>>>>Martin P
>>>>
>>>
>>>MH gives, for 1-1/2D to 3D depth of engagement as between 0.651-0.655"
>>>so 21/32" drill is pretty close @ 0.65625"
>>>
>>>Tom
>>
>>
>>
>> What is the pitch? 5/8" is 18 tpi, 3/4 is 16.
>>
>> I've got an 11/16" UNS tap, 16 tpi, in my hand which is marked 'use
>> 5/8" drill'.
>>
>> Tip
>>
>Missed the UNS, not UNF is it? :-)
>
That's why I asked the pitch.
So far as I can see, there is no 11/16" UNF defined, but if there were
to be one it would be either 16 or 18 tpi.
11/16" UNS is probably the best offer ;-)
Tim
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Posted by Tom on January 27, 2008, 2:35 pm
Please log in for more thread options Tim Leech wrote:
> wrote:
>
>
>>Tim Leech wrote:
>>
>>
>>>wrote:
>>>
>>>
>>>
>>>>campingstoveman wrote:
>>>>
>>>>
>>>>
>>>>>Gentlemen,
>>>>>
>>>>>Can anyone tell me the tapping size of a 11/16ths UNF tap, I know its a
>>>>>bastard size, I have bought a tap but none of my books give a drill size
for
>>>>>it.
>>>>>Its for Landrover track rod ends.
>>>>>
>>>>>Martin P
>>>>>
>>>>
>>>>MH gives, for 1-1/2D to 3D depth of engagement as between 0.651-0.655"
>>>>so 21/32" drill is pretty close @ 0.65625"
>>>>
>>>>Tom
>>>
>>>
>>>
>>>What is the pitch? 5/8" is 18 tpi, 3/4 is 16.
>>>
>>>I've got an 11/16" UNS tap, 16 tpi, in my hand which is marked 'use
>>>5/8" drill'.
>>>
>>>Tip
>>>
>>
>>Missed the UNS, not UNF is it? :-)
>>
>
>
> That's why I asked the pitch.
> So far as I can see, there is no 11/16" UNF defined, but if there were
> to be one it would be either 16 or 18 tpi.
> 11/16" UNS is probably the best offer ;-)
>
> Tim
>
UNS stands for Unified Special.
Tom
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Posted by Tim Leech on January 27, 2008, 5:23 pm
Please log in for more thread options wrote:
>Tim Leech wrote:
>
>>>>
>>>>
>>>>
>>>>What is the pitch? 5/8" is 18 tpi, 3/4 is 16.
>>>>
>>>>I've got an 11/16" UNS tap, 16 tpi, in my hand which is marked 'use
>>>>5/8" drill'.
>>>>
>>>>Tip
>>>>
>>>
>>>Missed the UNS, not UNF is it? :-)
>>>
>>
>>
>> That's why I asked the pitch.
>> So far as I can see, there is no 11/16" UNF defined, but if there were
>> to be one it would be either 16 or 18 tpi.
>> 11/16" UNS is probably the best offer ;-)
>>
>> Tim
> >
>UNS stands for Unified Special.
>
>Tom
I was very well aware of that.
Tim
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