Haisidike HK-21 410SS Phillips Washer Head Self-Drilling Screws

These Haisidike HK-21 self-drilling screws are made from durable 410 stainless steel, offering excellent corrosion resistance. They feature a Phillips cross-recess drive and a washer head for increased bearing surface and secure fastening. Designed for self-tapping and self-drilling into various materials, these screws are ideal for professional and DIY applications requiring efficient and strong connections.