Posted by David Sherman on Wednesday, June 11, 2003 at 10:23AM :
In Reply to: Re: Buy the set? posted by Dave Speed on Wednesday, June 11, 2003 at 8:54AM :
Cast iron is normally tapped and machined dry. It makes small crumbly shavings so there's no need to back the tap to break the chips. Of course you still need to blow them out of the hole now and then.