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Butcher · 03-10-2004, 08:33 PM

kbn: you want a taper tap, the other are for making BSPP tapped holes. For a drill, I'd suggest a 15/32" drill (that's 11.9mm).

03-10-2004, 08:33 PM	#17
Butcher Thermophile Join Date: May 2001 Location: UK Posts: 1,064	kbn: you want a taper tap, the other are for making BSPP tapped holes. For a drill, I'd suggest a 15/32" drill (that's 11.9mm). __________________ Once upon a time, in a land far far away...