With Spax 4 x 70 mm chipboard screws, you achieve solid and flush timber joints across all your interior woodwork projects. The specialized countersunk multi head sinks smoothly into the wood surface without damaging the surrounding workpiece. Engineered with a full thread, each screw provides exceptional holding power and clamping strength in chipboard, MDF, and wooden framing. The PZ2 Pozidriv drive ensures stable bit engagement, eliminating tool slippage and cam-out for smooth, accurate driving. In addition, the protective Wirox coating delivers dependable corrosion resistance for durable indoor fastening. This box of 500 pieces ensures you have the right supply ready for large-scale cabinetry, framing, and joinery tasks.