With the Spax 1197000400503 chipboard screws, you achieve strong and clean timber connections. Manufactured from A2 stainless steel, these 4 x 50 mm screws deliver dependable protection against rust and moisture, making them ideal for outdoor woodworking, cladding, and humid indoor spaces. The t-star plus T20 drive ensures precise torque transfer and prevents bit slippage during driving. Thanks to the countersunk multi head, the screw mills neatly into the timber for a flush finish, while the full thread provides continuous holding power to absorb tensile and compressive loads effectively. This pack contains 200 pieces ready for your demanding projects.