Heartbroken!

[John RutzenParticipant @johnrutzen76569]

It's an easy job to get out with alum. It needs heating so put the job in a glass [pyrex] container and over a heat source. If you can't do that make a little dam around it and heat with a blowtorch. This takes patience . It took me a few days of occasional heating to get a 7ba tap out of my cylinder block this year. A friend broke a drill this year drilling his steam passages and got it out with the alum.

[TrevorhParticipant @trevorh]

Hi Bill,

I have a set of them I picked up a couple of months ago just out of curiosity as to what they were

And like you when I used them they do work quite well

Trevor

[Cornish JackParticipant @cornishjack]

Trevor – presumably yours, like mine, are only suitable for 4 flute taps?

rgds

Bill

[Author]

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