Hexagon nut with collar H=1,5D DIN 6331 8261082610AMF
Hexagon nut with collar H=1,5D DIN 6331 8231382313AMF
Hexagon nut with collar H=1,5D DIN 6331 8255282552AMF
Hexagon nut with collar H=1,5D DIN 6331 8258682586AMF