100mm Black Drywall Screws Fine Thread (500/Box)

100mm Black Drywall Screws for heavy-duty applications requiring exceptional penetration through multiple board layers. Each screw is manufactured from hardened carbon steel with a black phosphate coating that provides light corrosion resistance and a clean, low-glare finish.The bugle head ensures a smooth, flush seating without tearing the board’s paper surface, achieving a professional, ready-to-fill finish.A sharp W-type gimlet point allows easy penetration and rapid engagement into metal studwork, reducing driving effort and ensuring clean drive-through. The fine thread is optimised for light-gauge steel substrates, delivering controlled drive and secure engagement for strong, vibration-resistant fixing.100mm heavy-duty long fixings for multi-layer drywall installations on steel framework.