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The JCP Fixings Concrete Screws (7.5 x 50mm) are designed for professional contractors and DIY enthusiasts who need a reliable, high-strength solution for anchoring fixtures directly into concrete or masonry. Their primary benefit is a rapid, drill-and-drive installation process that eliminates the need for wall plugs, though users should note that they require a specific masonry drill bit size to ensure the threaded shank seats correctly.
| Colour | Gold |
|---|---|
| Model Part Number | FJCS75050A |
| Brand | JCP Fixings |
No, these are designed to be driven directly into concrete or masonry without the use of plugs.
Yes, the ZYP coating provides good resistance to rust, making them suitable for outdoor applications, provided they are not in highly caustic or coastal environments.
Refer to the specific JCP technical data sheet, but typically a 6mm masonry bit is recommended for a 7.5mm concrete screw.
Yes, they are suitable for use in concrete, brick, and concrete block substrates.
It is not recommended. Once the screw has cut its thread into the concrete, removing and re-inserting it will significantly weaken the hold.
The drill hole is likely too large or the masonry is too soft; use a smaller drill bit or move to a more stable section of the material.
Ensure the pilot hole is deep enough and clear of dust; if resistance is too high, remove the screw and clear the hole further.
For proper installation, always use a masonry drill bit that matches the manufacturer-recommended diameter for 7.5mm concrete screws. 1. Mark your fixture position accurately. 2. Drill a hole into the concrete slightly deeper than the 50mm length of the screw. 3. Vacuum or blow out all masonry dust from the hole. 4. Drive the screw using a high-torque driver until the head is flush with the surface. Avoid over-tightening to prevent stripping the concrete thread. Store these screws in a dry, cool environment to maintain the integrity of the ZYP coating.
