Fischer PowerFast FPF II CZP Chipboard Screws (Silver) - 5 x 70mm (200 Pack Box) (F670426) Fischer PowerFast 2 CZP 70mm Chipboard Screws can be used to secure timber parts and metal fixings to soft woods, hard woods and laminated timber. Faster Installation - an increased thread pitch dramatically reduces the time it takes to install each screw saving you valuable time on site. Reduced Splitting Behaviour - an optimised screw geometry prevents the wood from splitting even when driving close to the edge. Core-miller geometry - results in precise milling and flawless swarf removal. Wax Coating - reduces drive torque and ensures a smooth installation every time. Quick Biting - a trio of cleverly placed ribs on the screws tip pre-drill the screws hole and ensure an instant grab. Plug Compatible - works flawlessly with all your favourite Fischer plugs. Blue Passivated Zinc Plating - an environmentally friendly coating which doesn't sacrifice on quality to save the planet. Countersunk Head -