With these Spax chipboard screws, you create strong and reliable connections in wood materials such as mdf and chipboard. The t-star plus T20 drive ensures an accurate bit fit and optimal power transfer to prevent slipping during screwdriving. Featuring a continuous full thread over its 25 mm length, this screw delivers high pull-out resistance, making it ideal for furniture assembly and fixing hardware. The countersunk multi head neatly countersinks into the timber for a clean, flush finish without splitting the surface. In addition, the durable Wirox coating provides dependable corrosion protection for indoor woodworking projects.