Modern wood construction screw that is made to replace both French wood screw and carriage bolt. The large head is a so-called washer head. The screw is called a little differently such as WAF, Wafer Bigdog etc. In addition to this, we call our screw construction as our screw also meets the standard for screws to be mounted in wooden structures. This means that the screw has significantly higher strength than both French wood screws and carriage bolts. Wood construction screw with flat head and TORX 40 grip. Corrosivity class C4 Salt spray test 2000 hours provides extreme rust protection. The screw also meets the requirements for CE/ETA. CE marked for structures with high loads. ETA tested. Special thread form in the tip for faster and safer installation and less risk of cracking. In 2025, we will also update the tip further to cutter generation 2, where the cutter cut starts one thread turn in. This means that the screw gets a faster grip in the material, which also means that the tip is not destroyed during screwing. The cutter works in exactly the same way as generation 1, but the screwdriving is more efficient throughout the work process. Large head for greater contact surface and less risk of penetration into the wood. Higher steel quality than standard means that the screw can handle the market's powerful machines while maximizing the design. Originally, this screw was called the Norwegian Wood Screw when it began to be used in timber buildings, among other things. C4 + ( + means that the screw is tested for 2000 hours ) the requirement for C4 is only 1500 hours. Cutter tip = Provides a lower torque while reducing the risk of cracks. Saw teeth = Cut off the wood shavings neatly Log cutter = Transports shavings and reduces friction. The screw has a cutter tip that gives less risk of cracking. The screw is also waxed for easier tightening. Higher strength than ordinary wood screws and French wood screws - ETA - tested Pro-Point screws are made for professionals and discerning DIYers. Maximum performance and quality at the lowest prices on the market. See Thread lengths further down.