Concrete frame screws (also known as masonry screws) are a specially designed self-tapping masonry fixing.
Simply drill a 6mm pilot hole in concrete or masonry and drive in, no plugs required.
Extremely popular fixing for window and door frames. Also now used as a versatile fixing for many applications in DIY, Joinery, Plumbing and Electrical trades.
Specification
Diameter: 7.5mm
Length: 42mm
Pack Type: Box
T30 Bit included in boxed product.
Finish: Zinc Yellow Passivated.
Virtually stress free, allowing close to edge applications.
Torx compatible head screw for increased torque control.
High load capacity with interlocking thread into base material.
Through fixing, eliminating the need for marking and re-positioning.
Widely used for batten, window and door frame fixing.
Suitable for most masonry substrates including concrete and brickwork.