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IS 1363-3 Hexagon Nuts

IS 1363-3 Hexagon Nuts

  • β = 15° to 30°
  • Countersink at start of thread permissible

Dimensions of IS 1363-3 Hexagon Nuts Preferred Threads

Thread pa dw min e min m mw min s
Max Min nom = Max Min
M 5 0.8 6.7 8.63 5.6 4.4 3.5 8 7.64
M 6 1 8.7 10.89 6.4 4.9 3.7 10 9.64
M 8 1.25 11.5 14.2 7.9 6.4 5.1 13 12.57
M 10 1.5 14.5 17.59 9.5 8.0 6.4 16 15.57
M 12 1.75 16.5 19.85 12.2 10.4 8.3 18 17.57
M 16 2 22 26.17 15.9 14.1 11.3 24 23.16
M 20 2.5 27.7 32.95 19 16.9 13.5 30 29.16
M 24 3 33.3 39.55 22.3 20.2 16.2 36 35
M 30 3.5 42.8 50.85 26.4 24.3 19.4 46 45
M 36 4 51.1 60.79 31.9 29.4 23.2 55 53.8
M 42 4.5 60 71.3 34.9 32.4 25.9 65 63.1
M 48 5 69.5 82.6 38.9 36.4 29.1 75 73.1
M 56 5.5 78.7 93.56 45.9 43.4 34.7 85 82.8
M 64 6 88.2 104.86 52.4 49.4 39.5 95 92.8

Dimensions of IS 1363-3 Hexagon Nuts Non-Preferred Threads

Thread pa dw min e min m mw min s
Max Min nom = Max Min
M 14 2 19.2 22.78 13.9 12.1 9.7 21 20.16
M 18 2.5 24.9 29.56 16.9 15.1 12.1 27 26.16
M 22 2.5 31.4 37.29 20.2 18.1 14.5 34 33
M 27 3 38 45.2 24.7 22.6 18.1 41 40
M 33 3.5 46.6 55.37 29.5 27.4 21.9 50 49
M 39 4 55.9 66.44 34.3 31.8 25.4 60 58.8
M 45 4.5 64.7 76.95 36.9 34.4 27.5 70 68.1
M 52 5 74.2 88.25 42.9 40.4 32.3 80 78.1
M 60 5.5 83.4 99.21 48.9 46.4 37.1 90 97.8

Specification and reference standards

Material Steel
General requirements International Standard ISO 8992
Thread Tolerance 7H
International Standards ISO 724, ISO 965-1
Mechanical properties Property classa d ≤M 16:5
M 16 < d ≤ M39:4,5
d > M39: as agreed
International Standard d ≤ M39: ISO 898-2
d > M39: as agreed
Tolerances Product grade C
International Standard ISO 4759-1
Finish and/or coating

As processed

Requirements for electroplating are covered in ISO 10683

If different electroplating requirements are desired or if requirements are needed for other finishes, they should be agreed between customer and supplier.

Acceptability For acceptance procedure, see ISO 3269  
For other property classes see ISO 898-2