Timco - Drywall Construction Timber Stud Cement Board Screws - PH - Countersunk Wafer - Self-Drilling - Exterior - Silver Organic (Size 4.2 x 42 - 200 Pieces)

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.<p></p><ul><li>Organic plating withstands 1,500 hours in salt spray test</li><li>Self-drilling point for fixing to light section steel (Max. 3mm)</li><li>Ribs under the head for improved countersinking</li><li>Fire Classification - A1"<p></p><ul><li>Thread Dia. mm - 4.2</li><li>Length mm - 42</li><li>Thread Length mm - 33</li><li>Head Type - Countersunk Wafer</li><li>Recess Type - Phillips</li><li>Point Type - Self-Drilling</li><li>Driver Bit Size - PH2</li><li>Finish - Exterior Plus</li><li>Material - Carbon Steel</li><li>Max Drilling Thickness mm - 3.0</li></ul><p></p></li></ul><p></p>

• Thread Dia. mm - 4.2
• Length mm - 42
• Thread Length mm - 33