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The Range£37.28Visit shop Thunderbolt All-Purpose Anchors Hexagon Head Galvanised - M12 X 150 (Box Of 20) - Silver
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The Thunderbolt All-Purpose Anchors are designed for construction professionals and DIY enthusiasts requiring reliable, heavy-duty fastening solutions in concrete, brick, and masonry. These M12 x 150mm anchors offer superior holding power through a robust hexagon head design and galvanized protection, making them ideal for structural stability; however, users should note that they require precise hole sizing and drilling depth for optimal expansion and security.
| Colour | Silver |
|---|---|
| Model Part Number | 1425842 |
| Brand | Thunderbolt |
While the steel is durable, these are designed as permanent, single-use mechanical fasteners.
These anchors rely on expanding against solid material; they are not recommended for hollow bricks.
The galvanized finish offers standard protection suitable for general outdoor and indoor applications.
No, a standard socket wrench and a masonry drill are sufficient for installation.
It is recommended to embed the anchor to a depth that allows the thread to fully engage with the solid material, typically following the specific load requirements of your project.
Yes, provided the load requirements fall within the M12 specifications for the specific concrete grade used.
The hole was likely drilled too wide; move the anchor location or use a chemical resin anchoring solution.
Ensure you are using the correct drill bit diameter and that the hole is free of masonry dust.
To install, use a hammer drill with a masonry bit matched to the exact diameter required for an M12 anchor. Drill the hole at least 10mm deeper than the required embedment depth to account for dust accumulation. Once the hole is cleared, drive the anchor into place using a socket wrench; do not over-torque, as this may strip the internal masonry threads. While the galvanized finish is weather-resistant, avoid using these anchors in highly acidic or marine environments without additional protective coatings. Always store the remaining anchors in a dry, low-humidity area to prevent surface oxidation.
