Quantity: 100 #4 x 5/8" ScrewsDrive Type: Phillips HeadMaterial: 304 Stainless Steel 18-8Use: WoodThread Type: Fine Deep ThreadWood screws are the most frequently used woodworking fasteners. They are used primarily for connecting wood to wood and are known for the clamping force that they provide to strengthen a joint. They are also used to attach hardware, hinges, locks and other items to wood.