An hexagon nut with incorporated flange, to DIN 6923. The flange offers protection for the bolted component where the driving tool may otherwise scratch its surface. The flange also lessens the need to use a washer. This particular version is non-serrated on the base.
The finish on the Flanged Plain Nut is Electro Bright Zinc Plate (BZP)
M3 x 0.50mm pitch - spanner size 5.5mm - flange diameter 8mm
M4 x 0.70mm pitch - spanner size 7mm - flange diameter 10mm
M5 x 0.80mm pitch - spanner size 8mm - flange diameter 12mm
M6 x 1.00mm pitch - spanner size 10mm - flange diameter 14mm
M8 x 1.25mm pitch - spanner size 13mm - flange diameter 18mm
M10 x 1.50mm pitch - spanner size 15mm - flange diameter 22mm
M12 x 1.75mm pitch - spanner size 18mm - flange diameter 26mm
M16 x 2.00mm pitch - spanner size 24mm - flange diameter 35mm