33+ Bathroom Sink Drain Size Pics. The original has a 4way that goes to a2in drain pipe,with 1.5 in abs vent pipe. Signature hardware notes that most bathroom sink drain openings are 1 1/4 inches, although 1 1/2 inches and 1 5/8 inches are also common sizes.
All of our sinks are made from the highest quality cement, sands and high strength admixtures giving you the quality sink that will last lifetimes! This depends on the size, brand and type of bathroom sink you are looking for. No matter how careful you are about preventing items and nobody wants a smelly drain, especially in small spaces like bathrooms and powder rooms.
All of our sinks are made from the highest quality cement, sands and high strength admixtures giving you the quality sink that will last lifetimes!
The most common size of the drainage hole in a bathroom sink is 1 1/4 inches in diameter, although you may. To ensure a watertight seal, i'm applying a bead of once everything is fully tightened underneath, you'll want to make sure to wipe off any silicone squeeze out from the drain and the sink using a clean. A bathroom sink has a much smaller drain size. Standard bathroom drainage size is 1 1/4 inch.the pipe sticking out of the wall is usually 1 1/2 inch.if it is metal and threaded,there is an adapting nut that will reduce it to the 1 1/4.if you go to a real hardware store or plumbing supply they will know.