Achieve strong and durable wood fastenings with these Spax universal screws. Made from A2 stainless steel, these 4 x 35 mm screws deliver excellent corrosion resistance, making them ideal for outdoor builds and high-moisture indoor environments such as bathrooms and kitchens. The 30 mm full thread design provides strong holding power throughout the entire shaft. With the t-star plus T20 drive recess, you experience optimal torque transfer with zero bit slippage. Additionally, the countersunk multi head cleanly countersinks flush into timber and sheet material for a neat finish. This box contains 200 pieces.