One of those deep holes saws is best, and dont expect the holesaw to be any
good when you have finished because a good bath is a very complex compound
structure consisting of many layers, some of which are bad for holesaw
I suggest a "deep hole saw because as it finally break through on the other
side it is very difficult to avoid the inevitable "plunge" into the
surrounding perfect surface to score it!
On Sat, 07 Oct 2006 12:19:40 GMT, "biggirlsblouse"
Interesting observation, could you enlighten me as to what experience
you have had in this field?
For my part, I was employed in the bath manufacturing industry for
several years, & a 'bog standard' Profix HSS bimetal holesaw was used.
Not just for one or two baths, not even for one 'shift' production
run, but for three or four runs. Which if my maths serves me right is,
an average of 250 baths produced per shift X 3 X 2 (two tap holes) 1500+ holes drilled. All using a handheld airdrill at a pressure of
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