General description These 100 Pcs Countersunk Head Screws are made from high-quality iron, designed for durability and long service life. They feature a smooth face and a large contact area, allowing them to withstand high tension while providing wear and corrosion resistance. The built-in thread design effectively prevents loosening, ensuring a secure fit during use. Technical specifications Material: High-quality iron Size: M6 x 15 mm Usage Widely used in various industries including rail vehicles, shipbuilding, construction machinery, office machinery, engineering construction, and high-grade furniture. Suitable for aluminum die-casting and other applications. Other information Guarantee: 30-day quality assurance from the date of purchase.