GUWANJI 12.9 Grade Blackened Hex Socket Button Head Screws

GUWANJI 12.9 Grade High-Strength Hexagon Socket Button Head Screws are crafted from durable alloy steel with a blackened finish, providing excellent corrosion resistance and superior tensile strength. These metric, coarse-thread fasteners feature a full thread design and conform to the GB/T 70.2 standard, making them ideal for a wide range of industrial and DIY fastening applications.

Material: alloy steel Metric/Imperial: Metric Surface color: black Performance level: 12.9 type: Internal hexagon socket round head screw Implementation Standards: GB /T 70.2 Full thread / Partial thread: full thread Tooth type: coarse thread Surface treatment: Black Pitch: 0.5 Nominal length: 16 Nominal diameter: 3