GUWANJI Cross Recessed Pan Head Washer Self-Drilling Screws

GUWANJI self-drilling, self-tapping screws feature a cross recessed pan head with an integrated washer for secure fastening. Made from durable carbon steel with a blue-white zinc plating for corrosion resistance, these screws are designed for efficient installation in various materials.

Nominal length: 19 Nominal diameter: 4.2 Performance level: Not involved type: Self-tapping screws with drill bit Surface treatment: Blue and white zinc Implementation Standards: National Standard