Brown plastic expansion wall plugs, suitable for No.8-10 screws. Supplied in a tub of 500. Ideal for fixing into masonry, brick, and blockwork on site or around the workshop.
QTY
Price
QTY
500
£3.95£4.74
2000
£15.00£18.00
Brown wall plugs are the workhorse of any fixing kit. These are No.8-10 brown plastic expansion plugs, supplied in a tub of 500 so you are not running back to the van after every dozen fixings. They suit the most common screw sizes used in everyday masonry work, which is exactly why this size gets through more than any other.
Each plug is made from plastic with a twin-thread expansion design. As the screw drives in, the plug expands against the sides of the drilled hole and locks tight into the substrate. That consistent grip is what you want when you are hanging shelving, fixing door frames, or securing anything to a solid wall where vibration or load could pull a weaker fixing out over time.
Where Brown Wall Plugs Get Used
These are the brown plugs you reach for when the job calls for a medium-duty fixing into brick, dense block, or concrete. They handle the kind of everyday loads you see constantly on site: batten fixing, cable management clips, wall brackets, electrical back boxes, and general joinery work. Brown is the standard size for No.8 and No.10 screws, so if you are using those screw gauges regularly, this tub will earn its keep quickly.
Tub Quantity for Trade Use
Five hundred plugs in a single tub keeps things practical. There is a reason these come in bulk rather than those fiddly blister packs of twenty. On an active site, you burn through fixings fast, and restocking mid-job is time you do not have. The tub keeps them contained and easy to access without scattering them across the floor of the van. Not that that ever happens, of course.
Straightforward, reliable brown wall plugs at a price that makes sense for trade buying. Stock a tub, and you are covered for the bulk of everyday masonry fixing jobs.
Pro Tip: Always match the drill bit size to the plug diameter, not the screw size — drilling too wide is the most common reason a wall plug spins instead of grips.
Brown expansion wall plugs are used across a huge range of everyday fixing tasks into masonry substrates. Bricklayers, joiners, electricians, and general builders reach for these constantly when securing battens, brackets, back boxes, and cable clips to brick and blockwork walls. They are equally at home in domestic and commercial settings, from fixing shelving in a kitchen to securing conduit in a warehouse.
Anywhere a No.8 or No.10 screw meets a solid masonry wall, a brown plug is the right choice. They work well in both interior and exterior applications as long as the substrate is solid and the correct drill size has been used.
Best For
No.8 and No.10 screws
Masonry, brick, and dense blockwork
Battens, brackets, and cable clips
Electrical back boxes and conduit
Interior and exterior fixings
Compatible Surfaces
Brick
Concrete
Dense block
Sand and cement render over solid substrate
Key Features
Twin-thread expansion design
Plastic construction
Brown colour coding for No.8-10 screws
500 plugs per tub
Easy-access tub packaging
Not suitable for: Not suitable for use in hollow walls, plasterboard, or lightweight aerated blocks without the correct specialist fixing. Not rated for structural or safety-critical applications.
Drill a hole in the masonry using a masonry bit that matches the plug diameter. Insert the brown wall plug flush with the surface, then drive your No.8 or No.10 screw into the plug until tight. The plug expands as the screw enters, locking it firmly against the sides of the hole.
Select a masonry drill bit that matches the brown plug diameter
Drill to the required depth, keeping the bit perpendicular to the wall surface
Clear dust and debris from the hole before inserting the plug
Push the plug fully into the hole until it sits flush with the wall surface
Align your fixing and drive in a No.8 or No.10 screw until firm
What screw size do brown wall plugs take?
Brown wall plugs are designed for No.8 and No.10 screws. They are the most commonly used plug size in everyday masonry fixing work, which is why buying in a tub of 500 makes sense for anyone using them regularly on site.
Can these be used in all types of masonry?
They perform well in solid substrates including brick, concrete, and dense blockwork. They are not suitable for hollow walls, plasterboard, or lightweight aerated concrete blocks, which need a specialist fixing designed for that substrate.
These brown expansion wall plugs are manufactured from plastic with a twin-thread expansion body. The brown colour coding follows the standard UK convention for No.8-10 screw compatibility. The expansion design distributes load across the plug body as the screw is driven in, creating a secure mechanical fix in solid masonry substrates.
Colour
Brown
Screw Compatibility
No.8-10
Quantity per Tub
500
Material
Plastic
Design
Twin-thread expansion
Application
Masonry, brick, concrete, dense block
Size
10.0mm, 5.0mm, brown 7.0mm, red 5.5mm
Box Quantity
2000, 500
Colour
Blue, Brown, Red, Yellow
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