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Professional Building Supplies£8.70Visit shop Pbsl Group Masonry Screw - 7.5Mm X 80Mm - Box Of 100
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The PBSL Group 7.5mm x 80mm masonry screws are ideal for professional contractors and DIY enthusiasts needing a reliable fastening solution for brick, stone, and concrete surfaces. These screws deliver exceptional holding power and facilitate efficient installation, though they require a pre-drilled pilot hole to prevent surface cracking or fastener breakage.
| Model Part Number | MS7580 |
|---|---|
| Brand | PBSL Group |
These are specialized masonry screws designed for concrete, brick, and stone; they are not recommended for general woodworking.
Yes, for concrete and hard stone, a hammer drill is recommended to ensure a clean and accurate pilot hole.
Typically, a 6mm masonry drill bit is appropriate for a 7.5mm screw, but always check the specific technical requirements for your masonry type.
They are designed for masonry construction, but for prolonged exposure to the elements, additional weatherproofing or sealant is advised.
Each box contains 100 individual screws.
Ensure the pilot hole is deep and wide enough; do not force the screw if resistance is extreme.
The pilot hole may be too wide; move to a fresh location or use a larger diameter anchor if available.
Ensure the pilot hole is clean of dust and verify that you are not fastening too close to the edge of the masonry.
To install these screws, first identify your surface material and select a high-quality 6mm masonry drill bit (or the size specified by your technical requirements) to create a pilot hole. Ensure the hole is cleared of all dust and debris using a brush or compressed air before inserting the screw. When driving the screw, use a compatible drive bit to prevent slippage. To maintain long-term integrity, keep the screws in a dry, cool environment to prevent moisture-induced surface oxidation. If using these in external or exposed environments, consider applying a silicone sealant around the head to further inhibit water ingress.
