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Material: Steel, tensile strength 04, zinc-plated.

Low hexagon nuts with metric ISO left-hand thread.

DIN 439 Form B has been replaced by ISO 4035. Nuts according to these standards sometimes have different spanner widths and heights.
The DIN 439 nut form is still widely used. The dimensions m and s are given as maximum values in the table.

SKU Thread [mm] Slope[mm] m [mm] Wrench Width [mm] Weight p.% Pc.
65230601 M6 1,0 3,2 10 0,13
65230801 M8 1,25 4 13 0,3
65231001 M10 1,5 5 16 0,68
65231201 M12 1,75 6 18 0,78
65231601 M16 2,0 8 24 2,28
65232001 M20 2,5 10 30 3,46