Flanged Plain Nut is an all metal free spinning nut and a washer is not needed.
The all metal Flanged Plain Nut means that the nut can be used at elevated temperatures (up to 300 degrees), and is not affected by oil.
The property class of the Flanged Plain Nut is 8, so it is suitable for use with high tensile bolts of property class 10.9 and below (bolts include: 10.9, 8.8, 6.8, 5.8, 5.6, 4.8, 4.6, 3.6).
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