Bingyu BY-926 M4 12.9 Grade Metric Blackened Hex Socket Cap Screws

These Bingyu BY-926 M4 hex socket cap screws are made from high-strength 12.9 grade carbon steel with a blackened finish for corrosion resistance. Conforming to DIN912 metric standards, they feature a 0.7mm pitch and full thread, suitable for various industrial and mechanical applications. Each pack contains 200 screws.

Surface color: black Surface treatment: Black Tooth type: coarse thread type: Hex socket head screw Metric/Imperial: Metric Implementation Standards: DIN912 Nominal length: 50 Material: Carbon Steel Performance level: 12.9 Nominal diameter: 4 Pitch: 0.7