Material: SUS304 HC3
Surface: passivated
Size:ST4.2-6.3
Diameter: 4.2-6.3mm
Length: 19-38mm
These screws are designed by our professional, its purpose is to protect our customers’ profit.this kind of screw can not be stolen by thieves easily, because it has a pin in the driver. when our material is SUS304 HC3,and our professional technology,these screws look very light and beautiful.







