Timco Box of 200 x Cement Board Screw S/DRILL EXT – 4.2 x 42 – 217228

Specifically designed for fixing cement board steel dry-lining frames (max. 3.0mm). Self countersinking head for a secure and flush finish. Self-drilling point with a self-tapping thread. Exterior grade coating for superior corrosion resistance in damp or corrosive environments; when compared to standard fasteners. 200 Pieces