Full thread self tapping screws. Head- Philips head. Material- stainless steel Size- 25 x 6 (200 pcs).A screw is a fundamental fastener used in countless applications from home improvement projects to industrial manufacturing. Made from durable metal, screws feature a threaded shaft that ensures a firm and lasting grip when driven into materials like wood, metal, or plastic. Available in various head types and sizes, they provide excellent holding power and stability. Whether you're assembling furniture, mounting hardware, or repairing fixtures, screws offer a dependable and versatile solution for strong, secure connections.