Normal size for M3 screws, color support various.
M3 Red Aluminum Washers for Button Head screws
Our Washers including three styles, one is for button head screws, one is for cap head screws and one is for countersunk screws.
Material: 6061-T6 Aluminum
Inner Side Size: about 5.6mm
Out Side Size: about 8mm
Height: about 2mm
Inside: Self sealing bag/ Hot sealing bag/ Hot bubble bag
Outside: Carton
