Made of carefully selected stainless steel materials, these self-tapping screws have long-term durability and excellent performance, which can serve you well. Not easy to break and deform, a good helper for you to fixing the simple construction of the sheet material. Features -Color:Silver -Material:Stainless steel -Size:2.50X0.40X0.40cm/0.98X0.16X0.16in -The cross self-tapping screws does not need to be used with the nuts, which is very practical. -Countersunk flat head tapping screws are made of stainless steel, provides corrosion performance with increased toughness and durability. -Feature higher tensile strength, sturdiness and provides longer service life, which is very and sturdy. -The tooth thread is self-tapping, and the tooth self-extrusion screw at the end point is formed. -Different sizes of self tapping screws to meet different needs, which can meet your daily replacement needs. Package list: self-tapping screws M4x12mm self-tapping screws M4x16mm self-tapping screws M4x25mm