Thunder Bolts - Concrete Frame Screws

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.