Special screw for anchorless window installation

Half-round head turbo screws K12.5 are suitable for low-tension spaced installation of window frames made of wood, plastic or aluminium in concrete and masonry. The visually appealing half-round head is neatly positioned against the window frame.

Application area:

For securing
wooden, plastic and aluminium window and door frames
to
concrete, lightweight concrete, solid brick, sand-lime brick, autoclaved aerated concrete, natural stone and other pressure-resistant solid materials, vertically perforated brick, perforated sand-lime brick and hollow lightweight concrete blocks.

Advantages:

• Easy to screw in due to cutting grooves in the thread
• Connection with low tension and low expansion pressure
• Continuous thread suitable for many window frame types and masonry types
• Various head geometries to suit a wide range of requirements
• Optimum power transmission via TX drive
• Visually appealing head geometry for visible assembly

Advice:

Bore diameters and lengths of thread engagement for different materials specified in the table must be observed