Silverline Adjustable Plumbers Basin Wrench CB40

Silverline Adjustable Plumbers 280mm Basin Wrench

MPN: CB40

Barcode: 5024763008436

Overview:

The Silverline Adjustable Plumbers 280mm Basin Wrench (CB40) is designed for tightening and removing tap back nuts in awkward, hard-to-reach areas under basins and baths. Featuring hardened steel self-adjusting jaws and an adjustable pivot head, it grips common tap nut sizes securely while helping you work around waste pipes and confined spaces. The 280mm (11") length provides the reach you need without being unwieldy, and the sliding T-handle allows close-up operation against cupboards and panels. With a polished shaft and chrome-plated finish for easier cleaning, it’s a practical tool for plumbers, fitters and DIY maintenance.

Key Features

• Adjustable basin wrench for tap back nuts under sinks and basins

• Hardened steel self-adjusting jaws for secure grip

• Adjustable pivot head for awkward and hard-to-reach nuts

• 280mm (11") length for reach around pipework

• Sliding T-handle for working close to cupboards and panels

• Polished shaft for easier cleaning

• Also known as a sink tap wrench

Specifications

• Brand: Silverline

• Product Type: Basin wrench / sink tap wrench

• MPN: CB40

• EAN / Barcode: 5024763008436

• Length: 280mm (11")

• Material: Steel

• Construction: Drop forged

• Finish: Chrome plated

• Jaws: Self-adjusting, hardened

• Jaw Capacity: 15mm (1/2") and 19mm (3/4") nuts

Applications

• Tightening basin tap back nuts

• Removing tap nuts during tap replacement

• Working on bath and basin fittings in tight spaces

• Plumbing maintenance under sinks and vanity units

• DIY bathroom and kitchen plumbing jobs

How to Use

• Position the pivot head and jaws onto the tap back nut under the basin

• Adjust the head angle so the handle clears waste pipes and obstacles

• Use the sliding T-handle to apply turning force in confined spaces

• Turn steadily to loosen or tighten the nut, repositioning as needed

• Remove the tool and check the fitting is secure without overtightening

• Wipe clean after use to keep the shaft and jaws in good condition

Silverline CB40 Adjustable Basin Wrench – Key FAQs

• What is a basin wrench used for?

  • A basin wrench is used to tighten or remove tap back nuts in hard-to-reach spaces under basins and baths, where standard spanners can’t easily fit.

• What nut sizes will this wrench fit?

  • This wrench is designed for 15mm (1/2") and 19mm (3/4") nuts, covering common basin tap back nut sizes found in many plumbing installations.

• What does the pivot head help with?

  • The adjustable pivot head lets you angle the jaws to reach awkward nuts around pipework and tight cupboard spaces, improving access and control.

• Why is the sliding T-handle useful?

  • The sliding T-handle helps you work close up against cupboards and panels, giving better leverage and control when space is limited.

• Is it suitable for DIY use as well as trade?

  • Yes, it’s ideal for plumbers and fitters, but also very useful for DIY tap replacements and maintenance where access under the sink is tight.

• Is it covered by the Silverline guarantee?

  • Silverline hand tools are covered by the Silverline Tools Guarantee (registration required). Normal wear and tear is not covered.

Silverline Tools Guarantee:

Hand tools are Forever Guaranteed other tools are guaranteed for 3 years unless stated. This simply means all hand tools are guaranteed to be free of defects caused by faulty materials or workmanship from now until the end of time. Naturally, fair wear and tear is not covered so do not expect blades to stay sharp forever.

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