With the Spax chipboard screw 4 x 45 mm, you create fast, sturdy, and dependable fastenings in panel boards and wooden structures. The full thread design delivers maximum pull-out resistance and a secure hold. Thanks to the countersunk multi head, the screw sinks cleanly and flush into wood without splitting the surface, eliminating the need to pre-drill in softwoods. The PZ2 Pozidriv recess prevents bit slippage and cam-out, ensuring smooth power transfer as you drive each screw. In addition, the Wirox coating provides high corrosion protection for furniture assembly, cabinet making, and interior fit-out. With this 500-piece pack, you complete every installation with confidence and speed.