[SEL] spark plug tap drill size

Tue Mar 1 13:45:03 PST 2005

Bill, I think a 39/64" will do the job.

John H. in snowy Holland.

hello all,,,
can someone give me the tap drill size for an 18mm spark plug tap,,,, i know i wont have a metric drill that large, so what would
be closest inch size drill ?
thanks in advance,,
bill boyce
lost prairie,arkansas
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