Specification: Name: Brass Countersunk Head Phillips Flat Screw Material: copper alloy Head Style: Flat Head Drive Style: Cross Phillips Thread Type: Coarse Thread Thread Diameter: M2 M2.5 M3 M4 M5 M6 M8 Length: 4-60mm (Including the head) Specification Eg: M2 x 4mm (Thread Diameter=2mm; Length=4mm) For specific parameters, pls discuss with the attached parameter diagram. Features: The products are manufactured from High-quality brass, which has good corrosion resistance, excessive strength, high toughness, good bloodless and scorching processing performance, environmental protection, sturdy and durable, no magnetic conductivity. Package: Packing : Plastic bag / Carton box. Quantity : According for your Choose!