Made of 12.9 grade black steel, sturdy and durable, can resist rust and erosion.
Widely used in a variety of industries such as construction, manufacturing, engineering, assembly, etc.
Material: 12.9 grade steel
Metric Thread Diameter: M3(3mm) / M4(4mm) / M5(5mm)
Metric Thread: 0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5)
Thread length: 5mm – 50mm