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OnBuy.com£16.27Visit shop Monument 323F Tap Backnut Box Spanner Grip+ 5063750466545
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The Monument GRIP+ 323F Tap Backnut Box Spanner is an essential tool for professional plumbers and serious DIY enthusiasts who need to install or remove basin taps in tight, hard-to-reach spaces. Its primary benefit is providing the necessary leverage and reach to tighten or loosen backnuts without struggling with standard wrenches, though it is limited to specifically 27mm and 32mm sizes.
| Model Part Number | 323F |
|---|---|
| Brand | Monument |
No, the 323F is the box spanner itself. You can use a screwdriver or a metal rod to provide the necessary torque.
No, this tool is specifically precision-sized for 27mm and 32mm nuts.
It is designed primarily for basin taps; check the size of your bath tap backnuts, as they are often larger than 32mm.
It is compact enough to fit in any standard tool belt or box. Store in a dry environment to ensure longevity.
Like most professional plumbing tools, it is made of durable metal, but it should be kept dry and clean to prevent surface oxidation.
Ensure the spanner is pushed fully onto the nut and that you are using the correct size (27mm or 32mm). Clean any lime scale or debris from the nut first.
Apply a penetrating oil to the threads of the tap shank and allow it to soak before attempting to turn the nut again.
To use the 323F, simply identify the required size—27mm or 32mm—and slide the corresponding end of the spanner over the nut. The tool is compatible with most standard basin tap backnuts. Maintenance is minimal: keep the tool clean and dry to prevent corrosion. Periodically wiping it down with an oily rag can help protect the finish if it is frequently used in damp under-sink conditions.
