- Item: M3 M4 M5 M6 Black Phillips Cross Countersunk Flat Head Machine Screws
- Material: Steel
- Color: Black
- Type: Machine Screw
- System of Measurement: Metric
- Standard: GB819
- Dia. / Thread Size: M3-0.5mm / M4-0.7mm / M5-0.8 / M6-1.0
- Drive Type: Phillips
- Head Style: Countersunk Flat Head
- PS: screw length include head, for example M3*6mm, 6mm is screw total length