• Specially designed self-tapping masonry fixing. • 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 subtrates including concrete and brickwork.