[M5 Type a]
There are 5pcs high quality metric thread thumb nut
A Size:
Size:M3/M4/M5/M6
Inside thread diameter: 3mm(M3) / 4mm(M4) / 5mm(M5) / 6mm(M6)
Outside diameter: 11mm(M3) / 12mm(M4) / 16mm(M5) / 20mm(M6)
Thickness: 3mm(M3) / 3mm(M4) / 4mm(M5) / 5mm(M6)
B Size:
Size:M3/M4/M5/M6
Inside thread diameter: 3mm(M3) / 4mm(M4) / 5mm(M5) / 6mm(M6)
Outside diameter: 11mm(M3) / 12mm(M4) / 16mm(M5) / 20mm(M6)
Thickness: 7mm(M3) / 8mm(M4) / 10mm(M5) / 12mm(M6)