Kitchen sink with no pre cut holes

[Deenap]

Hi guys

Need some advise.

I've bought a new kitchen sink but there isn't any pre cut holes for the mixer. How do you make a hole in the metal sink?

Would really appreciate the advice.

Thanks

 

[rpm]

Do you have to. Seen mixers fitted through the worktop

 

[Deenap]

Hi there.

We don't have space as the sink goes against a window. The only place is to mount on the sink. Unfortunately no choice.

 

[steadyon]

If you do have to drill it, use a decent quality holesaw, like a Starrett. Note the holesaw and arbor come separately, and you need the correct arbor for the size of saw. Mark out very carefully, centre punch to give the drill a good start. Try and do the centre punch with the spot on the sink resting on some soft wood so the metal doesn't distort. When drilling start and push through firmly and continuously until the hole is complete. Don't slacken off and reapply pressure, there is a good chance the stainless steel will work harden. If you do have to pause, back the drill right off before stopping. If you can, support the hole area on a piece of soft wood, you'll get a better cut edge if you do.

 

[Stu-B]

I would say if it hadn’t got a hole made by the manufacturer, then it’s not designed for a tap, I’ve never heard of drilling a kitchen sink to fit a tap in all the years I’ve been fitting them, do you have a photo?

 

[oz-plumber]

We use a hole punch.
Drill a 12mm hole, insert the punch and.....you have a hole.

Holesaws may blemish the sink if you get it too hot and ruin the sink if something goes wrong

 

[snowhead]

A step drill is better than a cutter for very thin sheet.

5-35mm HSS Titanium Step Cone Drill Bit High Speed Steel Wood Steel Hole Cutter

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