Koelner/Rawlplug quick fixing dowel 5 x 40 mm funnel type, pack of 100 is a plastic expansion anchor designed for fast mechanical fastening in both solid and hollow building materials. The 5 x 40 mm size and funnel-shaped collar facilitate rapid insertion of the screw and create reliable expansion in the substrate. Supplied in a pack of 100, these dowels are suitable for general-purpose mounting tasks where consistent anchoring and quick installation are required.
Advantages
The funnel-type head speeds up installation by guiding screws and reducing countersinking, while the plastic body provides corrosion-free performance. The dowel expands predictably when a screw is driven in, offering secure retention in masonry, concrete and certain hollow materials. Being lightweight and supplied in a bulk pack of 100 makes them convenient for trade and site work.
Suitable for
- Fixing light fixtures, rails and brackets to masonry and concrete
- General-purpose mechanical anchoring in hollow blocks and aerated concrete where recommended
- Interior installations such as mounting shelves, cable clips and small fittings
When it may not be suitable
These plastic funnel-type dowels are intended for light to medium loads and are not designed for heavy structural anchoring or safety-critical fixings. They may not perform adequately in very soft or crumbling substrates, and for high-load or dynamic applications you should select a metal anchor or a specially rated chemical anchor.
Key specifications
- Anchor type: plastic expansion dowel with funnel head
- Dimensions: 5 mm diameter x 40 mm length
- Pack quantity: 100 pieces
- Suitable substrates: masonry, concrete, certain hollow blocks and aerated concrete (subject to verification)
- Installation method: drill hole, insert dowel, drive screw to expand
How to use
Drill a hole of the recommended diameter and depth according to the 5 x 40 mm dowel size, clean the hole of dust, insert the funnel-type dowel until the collar sits flush with the surface, then drive a suitable screw to expand the anchor in the substrate. Use screws of appropriate length and type for the fixture and substrate to achieve the intended holding capacity. Follow general safety and drilling best practices.
What to consider before purchase
- Confirm substrate suitability (masonry, concrete or hollow block) for plastic expansion dowels
- Choose screw length and diameter compatible with a 5 x 40 mm dowel
- Assess required load capacity; select a stronger anchor for heavy or safety-critical fixings
- Ensure bulk pack quantity (100 pieces) matches project needs
Usage recommendations
For consistent results, use a drill bit matched to the dowel diameter, clear drilled holes of dust, and test a sample fixing before full installation; where higher loads are expected, use a rated metal or chemical anchor instead of plastic dowels.
