660pc machine screw & hex nut set

660pc machine screw & hex nut set
m/s round head steel zp
60 - 3x10mm / 60 - 3x12mm
50 - 4x10mm / 35 - 4x12mm
25 - 4x25mm / 25 - 5x20mm
20 - 5x30mm / 25 - 6x12mm
18 - 6x20mm / 12 - 6x30mm
hex nut steel zp
120 - M3-0.5 / 110 - M4-0.7
45 - M5-0.8 / 55 - M6-1.0