Concrete Screw 7.5x100mm – 6mm (Pack of 55) by Owlett Jaton (Hexstone Limited) is a professional-grade, countersunk self-tapping masonry fixing engineered for fast, reliable anchorage directly into concrete, concrete block, and masonry — no plug required. Supplied under the trusted JCP Fixings brand, this 55-piece trade pouch is ideal for builders, joiners, and serious DIYers who need a dependable concrete frame screw in a convenient, site-ready quantity.
Key Features and Specifications
- Diameter: 7.5mm
- Length: 100mm
- Pilot hole size: 6mm (use a 6mm masonry drill bit)
- Head type: Countersunk (CSK) — flush finish with locking ribs under head
- Drive type: Torx T30 (TX30) — reduces driver wear and prevents cam-out
- Material: Carbon steel — high strength and longevity
- Finish: Zinc & Yellow Passivated (ZYP) — enhanced corrosion resistance
- Thread: Self-tapping; undercutting action provides positive anchorage with no expansion forces
- Pack quantity: 55 screws (trade pouch format), includes TX driver bit and white cover caps
- Brand / Manufacturer: Owlett Jaton / JCP Fixings (Hexstone Limited)
- Maximum fixture thickness: Approximately 50mm
Applications
- Fixing uPVC and timber window and door frames to masonry walls
- Securing stud work and timber battens to concrete or brick
- Attaching skirting boards, architraves, and service brackets to masonry
- General concrete frame fixing and through-fixing applications
- Replacing traditional nylon frame plugs and hammer fixings in solid concrete and dense block
- Suitable for concrete, solid brick, concrete block, and natural stone substrates
Why Choose This Product
The Owlett Jaton Concrete Screw 7.5x100mm offers a single-fix solution that eliminates the need for a separate wall plug, saving time on site. The Torx T30 drive prevents cam-out under load, while the zinc and yellow passivated finish provides lasting corrosion resistance in exposed or damp environments. The 55-pack pouch format is ideal for smaller jobs or top-up stock, and the included driver bit means you can get straight to work. Backed by JCP Fixings’ reputation as a leading UK construction fixings specialist, these screws are trusted by trade professionals across the country.
Delivery in and Around London
We deliver the Concrete Screw 7.5x100mm – 6mm (Pack of 55) to all London boroughs, including Croydon, Lewisham, Southwark, Camden, and Hackney, as well as Greater London areas such as Enfield, Bexley, Redbridge, and Barnet. We also supply to the surrounding counties of Kent, Essex, Surrey, and Hertfordshire. Trade quantities are welcome, and next-day delivery options are available for orders placed before the daily cut-off. Contact us for bulk pricing on larger site requirements.



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