In a message dated 3/23/04 11:09:19 AM, Trvlr2001 writes:

<< . . . Also, there is a special tapping fluid made just for aluminum, works
better. . . .

 . . .Try to avoid using crescent wrenches etc. . . . >>

Good advise, John.  I've tried several tapping fluids which are formulated
for aluminum.  I still have found nothing better than good old kerosene.  Works
well for tapping, drilling and cutting.  Also, dipping a file in kerosene when
filing aluminum will help prevent pinning.

I do not agree with you on one point: NEVER use a crescent wrench.

George