A kitchen sink fit-off usually touches three separate jobs — cutting the tap hole, fitting the mixer, and connecting the dishwasher into the trap — each normally needing its own tool. The Plumtool Kitchen Fit-Off Kit (PTKIT-FITOFF) covers all three from one case.
What's in the kit
- Mixer Tap Socket Set Deluxe with Palm Wrench, steel case (PTMT487)
- Trap Drill (PTTD685)
- Tap Hole Cutter 32mm, includes step drill (PTTH325)
Cutting the hole first
The 32mm tap hole cutter in this kit is sized to suit around 90% of standard mixer taps, with a step drill included so you're not pre-drilling a pilot hole with a separate bit. If you're regularly fitting larger-bodied mixers that need the 35mm cutter instead, it's worth checking which size your tap actually needs before you cut — see our 32mm vs 35mm tap hole cutter guide.
Fitting the mixer
The Mixer Tap Socket Set Deluxe is the piece that actually saves the time on this job — it reaches the fixing nuts underneath a mixer tap that a standard socket or spanner can't get a straight run at from inside a cabinet, and it comes with its own palm wrench in a steel case for the tightest corners. This is the same socket set sold on its own for $199.99; in this kit it's bundled with the trap drill and tap hole cutter rather than something you'd buy twice.
Connecting the dishwasher
The trap drill drills and deburrs the dishwasher connection hole into the trap in one action, with a built-in safety stop so you don't punch straight through the far wall of the trap. It's a small, specific tool, but it's the one most likely to be missing from a general kit bag on the day you actually need it.
Kit price vs buying separately
Bought individually the three tools come to $481.69 (socket set $199.99, trap drill $74.99, 32mm tap hole cutter $206.71). The kit is $433.52, a genuine 10% saving. It's worth it if you do full kitchen fit-offs regularly — if you only ever need the socket set for mixer installs and never touch dishwasher connections, buy that on its own instead.
Frequently Asked Questions
What size tap hole does this kit cut?
32mm, which suits roughly 90% of standard mixer taps. If your mixer needs a larger hole, the 35mm cutter is sold separately.
Does the trap drill work on any trap?
It's built with a safety stop to drill and deburr a dishwasher connection hole without punching through the far side, but always check it suits the specific trap material and wall thickness you're working with before drilling.
Can I buy just the socket set if I don't do dishwasher connections?
Yes, the Mixer Tap Socket Set Deluxe with Palm Wrench is sold individually for $199.99 if you only need the mixer-fitting side of the kit.
How much does the kit save over buying the three tools separately?
$48.17 — $481.69 bought individually against $433.52 for the kit.