Wood screws are a basic but extremely important fastener, widely used in many fields such as furniture manufacturing, house decoration, and engineering construction. Wood screws come in a variety of different head and groove designs to suit different usage needs. Common types include hexagon head wood screws, hexagon socket wood screws and non-standard screws. The main materials of wood screws include carbon steel (Q195, 1022), stainless steel (SUS201, SUS304, SUS316), etc. The common sizes are M1.6 to M10, with various specifications available in length from 6mm to 100mm. Wood screws are usually surface treated, such as galvanized, nickel plated, chrome plated, etc. Proper selection and use of wood screws can significantly improve the strength and durability of your structure.