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  5. DIN 439 Fine Thread Hexagon Thin Nuts

DIN 439 Fine Thread Hexagon Thin Nuts

DIN 439 Equivalents

ISO 4035 UNI 5589 CSN 21403

DIN 439 Fine Thread Hexagon Thin Nuts
Hexagon Thin Nuts Chamfered

DIN 439 B Dimensions

Thread size d P da dw e m m´ s
min. max. min. min. max. min. min. max. min.
M1.6 0.35 1.6 1.84 2.4 3.48 1 0.75 0.6 3.2 3.08
(M1.8) 0.35 1.8 2.06 2.7 3.82 1.1 0.85 0.68 3.5 3.38
M2 0.4 2 2.3 3.1 4.32 1.2 0.95 0.76 4 3.82
M2.5 0.45 2.5 2.9 4.1 5.45 1.6 1.35 1.06 5 4.82
M3 0.45 3 3.45 4.6 6.01 1.8 1.55 1.24 5.5 5.32
(M3.5) 0.6 3.5 4 5.1 6.58 2 1.75 1.4 6 5.82
M4 0.7 4 4.6 5.9 7.66 2.2 1.95 1.56 7 6.78
M5 0.8 5 5.75 6.9 9.79 2.7 2.45 1.96 8 7.78
M6 1 6 6.75 8.9 11.05 3.2 2.9 2.32 10 9.78
M8 M8x1 – 1.25 8 8.75 11.6 14.38 4 3.7 2.96 13 12.73
M10 M10x1 M10x1.25 1.5 10 10.8 15.6 18.9 5 4.7 3.76 17 16.73
M12 M12x1.5 M12x1.25 1.75 12 13 17.4 21.1 6 5.7 4.56 19 18.67
(M14) (M14x1.5) – 2 14 15.1 20.5 24.49 7 6.42 5.14 22 21.67
M16 M16x1.5 – 2 16 17.3 22.5 26.75 8 7.42 5.94 24 23.67
(M18) (M18x1.5) (M18x2) 2.5 18 19.5 24.9 29.56 9 8.42 6.74 27 26.16
M20 M20x2 M20x1.5 2.5 20 21.6 27.7 32.95 10 9.1 7.28 30 29.16
(M22) (M22x1.5) (M22x2) 2.5 22 23.8 29.5 35.03 11 9.9 7.92 32 31
M24 M24x2 (M24x1.5) 3 24 25.9 33.2 39.55 12 10.9 8.72 36 35
(M27) (M27x2) – (M27x1.5) 3 27 29.2 38 45.2 13.5 12.4 9.9 41 40
M30 M30x2 – M30x1.5 3.5 30 32.4 42.7 50.85 15 13.9 11.1 46 45
(M33) (M33x2) – – 3.5 33 35.6 46.6 55.37 16.5 15.4 12.3 50 49
M36 M36x3 M36x2 M36x1.5 4 36 38.9 51.1 60.79 18 16.9 13.5 55 53.8
(M39) (M39x3) (M39x2) (M39x1.5) 4 39 42.1 55.9 66.44 19.5 18.2 14.6 60 58.8
M42 M42x3 M42x2 M42x1.5 4.5 42 45.4 60 71.3 21 19.7 15.8 65 63.1
(M45) (M45x3) (M45x2) (M45x1.5) 4.5 45 48.6 64.7 76.95 22.5 21.2 17 70 68.1
M48 M48x3 M48x2 M48x1.5 5 48 51.8 69.4 82.6 24 22.7 18.2 75 73.1
(M52) (M52x3) (M52x2) (M52x1.5) 5 52 56.2 74.2 88.25 26 24.7 19.8 80 78.1