Ebay... I bought a 65mm hole saw for a 2" bulkhead and landed on my doorstep about $25 for everything. If you want I can look up the name of the seller .. it was from Hong Kong, but really, seriously, it was like $15 for the bit and $10 for the postage.
And if ebay not really your thing, I believe mops.ca (based in Ontario) sells diamond hole saws in the $20-30 range.
You need a 1-3/4" hole for a 1" bulkhead. And that's assuming a sched40 bulkhead (black). Sched80 (grey I think?) is even thicker walled and will require a larger hole size for 1".
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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