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Professional Building Supplies£11.10Visit shop Pbsl Group Masonry Screw - 7.5Mm X 100Mm - Box Of 100
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Designed for professional contractors and dedicated DIY enthusiasts, these PBSL Group masonry screws provide a high-strength, reliable fastening solution for heavy-duty applications in brick, stone, and concrete. They offer exceptional grip and stability for structural or decorative attachments, though they require precise pilot hole drilling to prevent material cracking or snapping during installation.
| Model Part Number | MS75100 |
|---|---|
| Brand | PBSL Group |
No, these are designed as self-tapping masonry screws and are intended to be driven directly into a pre-drilled hole in the masonry.
It is recommended to use a 6mm masonry drill bit for this 7.5mm screw to ensure a tight, secure fit in concrete.
Yes, they are suitable for outdoor use, but ensure they are not used in highly corrosive environments like coastal areas without additional protection.
These are primarily designed for solid masonry; if using in hollow brick, you must be careful to avoid over-tightening which can cause the wall to collapse internally.
Always drill at least 10mm deeper than the length of the screw to accommodate debris and ensure the screw can be driven flush.
The pilot hole is too large; consider using a chemical anchor or moving to a different location.
Ensure you are using a sharp masonry bit and have fully cleared all dust from the hole; never force the screw if it meets extreme resistance.
Ensure the driver bit is the correct size and fully seated in the screw head before applying pressure.
To achieve a secure fit, always use a high-quality masonry drill bit measuring slightly smaller than the 7.5mm shank to ensure the threads bite effectively into the wall.
Store these screws in a dry environment to prevent oxidation, and keep them in their original packaging to avoid thread damage prior to use.
