GUWANJI Grade 12.9 Blackened Alloy Steel Hex Socket Cap Screws

Durable GUWANJI Grade 12.9 alloy steel hexagon socket cap screws, featuring a robust blackened finish for enhanced corrosion resistance. Ideal for heavy-duty fastening applications requiring high tensile strength.

Surface color: black Surface treatment: Black Material: alloy steel Performance level: 12.9 Metric/Imperial: Metric Nominal length: 4mm Nominal diameter: M1.4mm type: Internal hexagon socket head cap screw Tooth type: coarse thread Implementation Standards: GB /T 70.1 Pitch: 0.3