is-1363-2

Dimensions of IS 1363-2 Preferred Threads

Thread (d) pa a c max da max dw min e min k kwb min r min s
max min nom max min nom = max min
M5 0.8 2.4 0.8 0.5 6 6.74 8.63 3.5 3.875 3.125 2.19 0.2 8.00 7.64
M6 1 3 1 0.5 7.2 8.74 10.89 4 4.375 3.625 2.54 0.25 10.00 9.64
M8 1.25 4.00 1.25 0.6 10.2 11.47 14.20 5.3 5.675 4.925 3.45 0.4 13.00 12.57
M10 1.5 4.5 1.5 0.6 12.2 14.47 17.59 6.4 6.85 5.95 4.17 0.4 16.00 15.57
M12 1.75 5.30 1.75 0.6 14.7 16.47 19.85 7.5 7.95 7.05 4.94 0.6 18.00 17.57
M16 2 6 2 0.8 18.7 22 26.17 10 10.75 9.25 6.48 0.6 24.00 23.16
M20 2.5 7.5 2.5 0.8 24.4 27.7 32.95 12.5 13.40 11.6 8.12 0.8 30.00 29.16
M24 3 9 3 0.8 28.4 33.25 39.55 15 15.9 14.1 9.87 0.8 36 35
M30 3.5 10.5 3.5 0.8 35.4 42.75 50.85 18.7 19.75 17.65 12.36 1 46 45
M36 4 12 4 0.8 42.4 51.11 60.79 22.5 23.55 21.45 15.02 1 55.0 53.8
M42 4.5 13.5 4.5 1 48.6 59.65 71.3 26 27.05 24.95 17.47 1.2 65.0 63.1
M48 5 15 5 1 56.6 69.45 82.6 30 31.05 28.95 20.27 1.6 75.0 73.1
M56 5.5 16.5 5.5 1 67 78.66 93.56 35 36.25 33.75 23.63 2 85.0 82.8
M64 6 18 6 1 75 88.16 104.86 40 41.25 38.75 27.13 2 95.0 92.8

Dimensions of IS 1363-2 Non-Preferred Threads

Thread (d)paac maxda maxdw mine minkkwb minr mins
maxminnommaxminnom = maxmin
M142620.616.719.1522.788.89.258.355.850.621.0020.16
M182.57.52.50.821.224.8529.5611.512.410.67.420.627.0026.16
M222.57.52.50.826.431.3537.291414.913.19.170.83433
M273930.832.43845.21717.916.111.2714140
M333.510.53.50.838.446.5555.372122.0519.9513.9715049
M394124145.455.8666.442526.0523.9516.7716058.8
M454.513.54.5152.664.776.952829.0526.9518.871.27068.1
M525155162.674.288.253334.2531.7522.231.68078.1
M605.516.55.517183.4199.213839.2536.7525.7329087.8

Specifications and reference standards

Material Steel
General Requirements International Standard ISO 8992
Thread Tolerance 8g
International Standards ISO 724, ISO 965-1
Mechanical Properties Property Classa d≤ 39mm: 3.6, 4.6, 4.8 d > 39mm: as agreed
International Standard d≤ 39mm: 3.6, 4.6, 4.8 d > 39mm: as agreed
Tolerances Product grade C
International Standard ISO 4759-1
Finish and/or coating As Processed Requirements for electroplating are converted in ISO 4042. Requirements for non-electrolytically applied zinc flake coatings are converted in ISO 10683 If different electroplating requirements are desired or if requirements are needed for other finishes, they should be agreed between custom and supplier.
Acceptability For acceptance procedure, see ISO 3269
a For other property classes see ISO 898-1