Jimbo662 Posted January 25, 2016 Share Posted January 25, 2016 If I'm going to have a 1/2" return and 3/4" drain would I drill 3/4" and 1' holes? Link to comment Share on other sites More sharing options...
jestep Posted January 25, 2016 Share Posted January 25, 2016 For normal sch40 or ABS bulkheads, 35mm is the standard size for 3/4, and 30mm for 1/2. Link to comment Share on other sites More sharing options...
Jimbo662 Posted January 25, 2016 Author Share Posted January 25, 2016 Thanks Link to comment Share on other sites More sharing options...
jestep Posted January 25, 2016 Share Posted January 25, 2016 Np. Also, assuming you have normal bulkheads, but the thick SCH80 bulkheads require larger holes, I think 42mm is for 3/4 on the SCH80's. Link to comment Share on other sites More sharing options...
Jimbo662 Posted January 25, 2016 Author Share Posted January 25, 2016 I'll be buying the ABS bulkheads from BRS. Link to comment Share on other sites More sharing options...
FarmerTy Posted January 25, 2016 Share Posted January 25, 2016 Those SCH80 bulkheads are super solid compared to the SCH40. The SCH40 ones work just fine but if you are a fan of being over-engineered, those SCH80 are awesome and makes the SCH40 seem like cheap plastic comparatively. Link to comment Share on other sites More sharing options...
Jimbo662 Posted January 25, 2016 Author Share Posted January 25, 2016 I don't think I'll need to go that over-engineered on this project. Link to comment Share on other sites More sharing options...
Neon Reefer Posted January 25, 2016 Share Posted January 25, 2016 I would not buy the bits until I have the bulkheads as the same 3'4 inch bulkhead in different brands can require different size holes. Even for the same schedule pipe I am sure Bulk reef can direct you to the right size bits for the bulkhead you buy. Link to comment Share on other sites More sharing options...
FarmerTy Posted January 25, 2016 Share Posted January 25, 2016 Remember, we have a set of bits for Premium members of ARC to borrow. It has assorted sizes so I'm sure you'll find one that works for you. Link to comment Share on other sites More sharing options...
Jimbo662 Posted January 25, 2016 Author Share Posted January 25, 2016 Oooooh...good thing I'm a premium member! Link to comment Share on other sites More sharing options...
+BobcatReefer Posted January 25, 2016 Share Posted January 25, 2016 I'll be buying the ABS bulkheads from BRS. Just a heads up for future purchases - all BRS bulkhead pages have the size of the bit for each bulkhead at the bottom. http://www.bulkreefsupply.com/bulkhead-abs-slip-x-thread-slip-on-the-flange-head-side-1-d880e783834172e5ebd1868d84463d93.html Link to comment Share on other sites More sharing options...
Jimbo662 Posted January 25, 2016 Author Share Posted January 25, 2016 nice...thanks! Link to comment Share on other sites More sharing options...
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