I've always been a bit puzzled as to why they even sell many 12 point
sockets. Yes, they fit square bolts & nuts. Did you ever encounter one?
Me neither. They are just troublemakers, if you ask me.
Al Brase

mark drillock wrote:

> Heli coils are great but by his description it sounds like what he did
> was round off the drain plug rather than strip the threads. I would get
> a 6 point 1/2" socket and hammer it onto the plug very hard. Then it may
> well come right out. The 1/2" is slightly smaller than 13mm and the 6
> point socket will bite into it much better than a 12 point. If he had
> used a 6 point 13mm in the first place the rounding of the head would
> likely never have happened.
>
> Mark
>
> Jake Beaulieu wrote:
>
>> Hey cr,
>>
>> I am in the process of having a heli coil installed in my cylinder
>> head to take
>> care of stripped spark plug threads.  I have searched the archives
>> for info
>> about heli coils and came across a ton of messages about stripped oil
>> drain
>> plugs.  I didn't read many of these so I can't tell you what they
>> said, but
>> check out the archives.  Lots of info on this subject in there.
>>
>> good luck,
>> Jake
>> 82 air cooled westy
>>
>>
>>
>>> On Fri, 27 Jan 2006, Chris Renz wrote:
>>>
>>>
>>>
>>>> well, I finally did it. I wrenched it too tight recently I guess
>>>> and have
>>>> seemingly stripped into a perfect circle.
>>>>
>>>> any tips on getting this sucker out so I can replace it without
>>>> damaging
>>>>
>>>>
>>> the
>>>
>>>
>>>> case?
>>>>
>>>> Thanks!
>>>>
>>>> cr
>>>>
>>>>
>>>>
>>>>
>>>>
>>
>>
>>
>>
>