285pc machine screw, nut & washer set

285pc machine screw, nut & washer set
m/s round head slot steel zp
20 - 4x12mm / 18 - 4x25mm
18 - 5x25mm / 12 - 5x30mm
12 - 6x20mm / 9 - 6x25mm / 6 - 6x30mm
hex nut steel zp
38 - M4-0.7 / 30 - M5-0.8 / 27 - M6-1.0
flat washer steel zp
38 - 4mm / 30 - 5mm / 27 - 6mm