Frame fixing Screw CSK head

Frame Fixing Screw — Countersunk Head

The Frame Fixing Screw with Countersunk (CSK) Head is the go-to fastener for securing door frames, window frames, and structural timber directly into masonry and concrete. Designed for heavy-duty anchoring, it combines a sharp cutting tip, coarse thread, and flush-seating head to deliver a strong, clean fix that stays put — even under load and vibration.

Key Features

• Countersunk (CSK) Head: Sits flush with the surface for a neat, professional finish with no protruding hardware
• Coarse Thread Profile: Bites deep into timber and masonry for exceptional pull-out resistance
• Sharp Tip: Self-starting point reduces the need for pre-drilling through timber, speeding up installation
• High-Tensile Construction: Built to handle the structural loads of door and window frame installations
• Corrosion-Resistant Coating: Treated finish protects against rust in interior and semi-exposed environments
• Compatible with Wall Plugs: Works seamlessly with standard plastic wall plugs for masonry applications

Ideal For

• Door and window frame installation
• Structural timber fixing into brick, block, and concrete
• Architrave and skirting board anchoring
• General construction and fit-out carpentry

When the frame has to stay square and the fix has to hold — trust the Frame Fixing Screw CSK Head to get the job done right.