Plug-free precision frame anchoring
- Direct fixing without plugs: You secure window and door frames straight into masonry for a stress-free and accurate installation.
- Superior control with Spax: The T-STAR plus T30 drive prevents bit slipping and delivers maximum torque transfer during fast screw-in tasks.
- High performance corrosion resistance: The advanced Wirox surface treatment protects the steel core effectively against wear and environmental exposure over time.
With Spax-RA frame screws, you anchor window and door frames directly into masonry or concrete without the need for wall plugs. This 7.5 x 150 mm steel screw ensures accurate, stress-free stand-off fixing while preventing wooden, PVC, or aluminium frames from warping during installation. Its flat countersunk head sits neatly flush within the frame profile for a clean, professional finish. The t-star plus T30 drive recess provides a secure bit fit and maximum torque transfer without slipping. Completed with a high-grade Wirox coating, it delivers significantly higher corrosion resistance than standard zinc plating for dependable, lasting frame installations.
Product description:
- Flat countersunk head, T-STAR plus
- Case hardened, synthetic coating
- Blue zinc plated A2J
Application:
- Installation of window and door frames made from plastic and aluminium
Advantages:
- Plug-free window and doorframe fastening
- Time-saving application
Special properties:
- Flat countersunk head: for the installation of plastic and aluminium profiles
- T-STAR plus: secure bit grip, no cam-out effect, optimal force transmission
- Blue zinc plated A2J
Features:
- SPAX typical ground serrations: up to the point - quick and secure fastening