Diamond Coated Hole Saw

[saltyseaman]

Does anybody have a 3" hole saw? I am thinking of getting a Dart on a closed loop for my new 180, but then I would need a 2" bulkhead, which requires a 3" hole. The ones I found on eBay that are 3" are $50 after shipping. I found some 75mm ones for $16 shipped, but they are 1.2mm less than 3", and I would hate to have a hole 1.2mm too small to fit a 2" bulkhead.

If anyone has one that I can borrow, that would be great! If you would prefer to drill for me rather than let me borrow it than that would be fine too.

[humbugy]

what about a tilebit for a dremel??

[medic29]

What is the mm size you need? I think I have one.

[saltyseaman]

If I have to resort to using a dremel I will, but I feel safer using a hole saw.

For a 3" hole I need a 76mm bit. However, I was just informed that I can get a 2" bulkhead that only requires a 2 7/8" = 73mm bit here

http://www.aquaticeco.com/index.cfm/fuseaction/product.detail/iid/6843/cid/1860
http://www.aquaticeco.com/index.cfm/fuseaction/popup.productImages/iid/6843

[saltyseaman]

medic - Did you have any luck, or should I order one?

[medic29]

I have a 75mm and that works for the 2" bulkheads.

[saltyseaman]

Awesome :) . I'm not sure when I am going to get around to drilling the tank. Maybe this weekend, maybe next weekend, or maybe even 3 weeks from now. May I borrow you and the bit when it comes time?