![Identification Charts for Different Types of FASTENER's - Head styles, Bolt and Screw, Drive, Washer and Nut types | Screws and bolts, Type chart, Woodworking shop Identification Charts for Different Types of FASTENER's - Head styles, Bolt and Screw, Drive, Washer and Nut types | Screws and bolts, Type chart, Woodworking shop](https://i.pinimg.com/originals/48/45/e7/4845e7c4d14608d8ca1351624b1180df.png)
Identification Charts for Different Types of FASTENER's - Head styles, Bolt and Screw, Drive, Washer and Nut types | Screws and bolts, Type chart, Woodworking shop
Why do we need two different types of screws, and therefore two different types of screw drivers (and drill bits and everything else)? Is there any actual difference? - Quora
![tools - Why are there so many different types of screws (phillps/flat/hex/star/etc)? - Home Improvement Stack Exchange tools - Why are there so many different types of screws (phillps/flat/hex/star/etc)? - Home Improvement Stack Exchange](https://i.stack.imgur.com/UaBbX.jpg)