With the Spax chipboard screw 1197000400303, you create secure and long-lasting timber connections in outdoor areas and damp indoor environments. Crafted from A2 stainless steel, this 4 x 30 mm screw delivers dependable corrosion resistance against the elements. Its full thread design provides high holding strength across the entire length, ensuring firm fastening in chipboard, MDF, and solid wood. The t-star plus T20 drive system eliminates bit slippage, ensuring smooth and controlled torque transfer while driving. Thanks to the countersunk multi-head, the screw pulls flush into the wood surface without requiring separate countersinking. This 200-piece pack is ideal for garden furniture, fittings, and facade cladding.