324 Pcs screw & hex nut kit

Material: Carbon steel
Surface treatment: galvanized

Includes:
Machine screws:
15 Piece 4x20mm
10 Piece 4x25mm
18 Piece 4x12mm
8 Piece 5x20mm
6 Piece 6x20mm

Countersunk head self-tapping screws:
30 Piece 3x20mm
20 Piece -3.5x25mm
10 Piece 4x30mm

Hex nuts:
43 Piece M4
8 Piece M5
6 Piece M6

Flat washers:
50 Piece 4mm
15 Piece 5mm
10 Piece 6mm

Lock washers:
50 Piece 4mm
15 Piece 5mm
10 Piece 6mm

Packed by plastic box.