From The Anvil 5 Lever BS Sash Lock - Silver

This 5 lever sash lock is designed for secure door locking and keyed-to-differ operation. It is pe...

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Product Information

Full details

The From The Anvil 5 Lever BS Sash Lock is a premium security solution designed for homeowners and contractors seeking a robust, insurance-compliant locking mechanism for internal or external doors. Its standout benefit is its comprehensive certification, providing peace of mind through rigorous fire and safety testing, though it requires precise installation to ensure the mechanism operates smoothly without binding.

All features

ColourSilver
Model Part Number51339
BrandFrom The Anvil

Extended Product Information

FAQs

Is this lock insurance approved?

Yes, this lock meets the BS 3621:2007 Kitemark standard, which is typically required by home insurance providers for external doors.

Can I use this on a fire door?

Yes, this product is fire tested to FD-20, FD-30, and FD-60 standards.

What is included in the box?

The package includes the sash lock and matching stainless steel wood screws. Handles and a cylinder are typically sold separately.

How do I determine if this fits my door?

Ensure your door has sufficient thickness to accommodate the 6.6cm depth of the lock casing and verify the door material can support the 0.8kg weight.

How long is the guarantee?

This product is covered by a 5-year guarantee provided by the manufacturer.

Troubleshooting

Key is stiff or difficult to turn

Check that the mortise is deep enough and that the lock body is not being pinched by the door wood; ensure perfect alignment between the deadbolt and the frame strike plate.

Deadbolt does not extend fully

Clear any wood shavings or debris from the strike plate hole in the door frame to ensure the bolt has unobstructed travel.

Pros and Cons

Pros

  • Meets strict BS 3621 insurance requirements
  • Suitable for fire-rated doors (up to 60 minutes)
  • Includes high-quality matching stainless steel screws
  • Verified performance through multiple certification bodies
  • Robust weight and solid construction

Cons

  • Requires professional installation knowledge for mortise cutting
  • Does not include handle set (lock body only)
  • Requires careful alignment to prevent key stiffness

Setup, Compatibility & Care

Installation requires creating a precise mortise in the door edge and a corresponding recess in the door frame for the strike plate. Ensure that the door is thick enough to house the 15.5cm tall and 6.6cm deep lock case. For care, keep the keyway clear of debris and avoid using harsh chemical cleaners on the silver finish; a soft, damp cloth is sufficient to maintain the appearance. Periodically check the screw fixings to ensure they remain tight and the lock remains seated securely in the mortise.

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