There are a vast selection of woodscrews available for the DIYer to choose from. Below is a brief description of what is available in most DIY stores. THE SCREW HEAD. There are two common types of screw head, the first is the most popular one in use, that is the Phillips head or cross head as it is sometimes referred to, the second is the slotted head or straight / flat head, both are shown in fig 1 below. There are others available such as security head screws which can only be turned using a Torx or star bit and there are anti vandal or one way screws which are very difficult … [Read more...]