Carbon Steel Blue-White Zinc Self-Tapping Screws

High-quality carbon steel self-tapping screws with a durable blue-white zinc finish, conforming to GB/T 15856.1-2002 standards. These 4.8-grade screws are ideal for various fastening applications requiring robust and corrosion-resistant fasteners.

Nominal length: 20 Material: Carbon Steel Performance level: 4.8 type: Self-tapping screws Surface treatment: Blue and white zinc Implementation Standards: GB/T 15856.1-2002 Nominal diameter: 3