GB/T 15856.4 External Hex Self-Drilling Self-Tapping Screw

This high-performance GB/T 15856.4 standard self-drilling self-tapping screw features an external hexagon head. Constructed from durable carbon steel with a 4.8 grade, it boasts a vibrant color zinc electroplated finish for excellent corrosion resistance and an appealing look. Its full, coarse thread design ensures reliable fastening for various applications.

Material: Carbon Steel Full thread / Partial thread: full thread Surface color: color Tooth type: coarse thread Performance level: 4.8 Nominal diameter: 5.5mm Surface treatment: Electroplated color zinc type: Self-tapping screws Implementation Standards: GB/T 15856.4 Nominal length: 25mm