Then it will stop making a hole when it comes to the iron.
Drilling through ceramic sink.
Start with a inch drill bit to make a pilot hole in the base metal.
The process of drilling through a thick ceramic porcelain sink is slow.
Of stevens point wi emailed a helpful answer to mark s question.
The first bit will drill through the porcelain only.
Hold the drill so that the bit is as nearly vertical as possible while it is turning.
His sink is porcelain with cast iron underneath.
You can drill a clean hole through s ceramic porcelain sink without causing damage.
But using the right equipment and technique you can customize a porcelain ceramic sink with the hole you want.
Step 3 drill your hole.
Just happened to see your answer regarding drilling through a porcelain cast sink to provide a faucet hole.
Begin drilling slowly with the point of your porcelain bit on the dot you marked on the masking tape.
A regular drill bit will dull quickly and a hammer drill bit shatters the porcelain instead of drilling through it.
In a reader s comment mark asked about drilling a 1 2 hole in his kitchen sink for a water dispenser.
A carbide porcelain cutter a spring loaded diamond.
Sinks made of composite materials like ceramic and porcelain are so strong and durable they require special diamond tipped drill bits to cut through them.
Three drill attachments help you drill through an enamel sink.
A step by step guide on how to drill through granite marble porcelain ceramic or terracotta tiles using a diamond ground tip geometry drill bit.