3.5 x 45mm Self Drilling Fine Thread Collated Drywall Screws

Surface hardened to prevent torque shearing under load and core hardened for maximum strength.

Drill point allows penetration in metal up to 2.5mm thick.

Designed for use in collated screwdrivers for fastening plasterboard and composite boards to metal track where the fine thread provides a secure fix.

Fits most leading collated screwdrivers.