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raghav.gpf@gmail.com Plot No.31-32, Industrial Area, Vill. Gobindgarh, Nr. Mata Gujri School, Jugiana, Ludhiana - 141017

IS 1363-2 – Bolts

INDIAN STANDARD

HEXAGON HEAD BOLTS, SCREWS AND

NUTS OF PRODUCT GRADE ‘C’

PART 2 HEXAGON HEAD BOLTS (SIZE RANGE M 5 TO M 64)

IS 1363 Part 2: 2002 / ISO 4018

Steel : 4.6, 4.8, 8.8, 10.9
Finish: Self, Zinc Plated, Hot Dip Galvanized

IS-1363-2 Bolts
Table 1 - Preferred Threads
Thread (d) M6 M8 M10 M12 M16 M20 M24
pa 1 1.25 1.5 1.75 2 2.5 3
a max. 3 4 4.5 5.3 6 7.5 9
min. 1 1.25 1.5 1.75 2 2.5 3
c max. 0.5 0.6 0.6 0.6 0.8 0.8 0.8
da max. 7.2 10.2 12.2 14.7 18.7 24.4 28.4
dw min. 8.74 11.47 14.47 16.47 22 27.7 33.25
e min. 10.89 14.2 17.59 19.85 26.17 32.95 39.55
k nom. 4 5.3 6.4 7.5 10 12.5 15
max. 4.375 5.675 6.85 7.95 10.75 13.4 15.9
min. 3.625 4.925 5.95 7.05 9.25 11.6 14.1
kwb min. 2.54 3.45 4.17 4.94 6.48 8.12 9.87
r min. 0.25 0.4 0.4 0.6 0.6 0.8 0.8
s nom. =  max. 10 13 16 18 24 30 36
  min. 9.64 12.57 15.57 17.57 23.16 29.16 35
Thread (d) M30 M36 M42 M48 M56 M64
pa 3.5 4 4.5 5 5.5 6
a max. 10.5 12 13.5 15 16.5 18
min. 3.5 4 4.5 5 5.5 6
c max. 0.8 0.8 1 1 1 1
da max. 35.4 42.4 48.6 56.6 67 75
dw min. 42.75 51.11 59.95 69.45 78.66 88.16
e min. 50.85 60.79 71.3 82.6 93.56 104.86
k nom. 18.7 22.5 26 30 35 40
max. 19.75 23.55 27.05 31.05 36.25 41.25
min. 17.65 21.45 24.95 28.95 33.75 38.75
kwb min. 12.36 15.02 17.47 20.27 23.63 27.13
r min. 1 1 1.2 1.6 2 2
s nom. =  max. 46 55 65 75 85 95
  min. 45 53.8 63.1 73.1 82.8 92.8
Table 2 - Non Preferred Threads
Thread (d) M14 M18 M22 M27 M33
pa 2 2.5 2.5 3 3.5
a max. 6 7.5 7.5 9 10.5
min. 2 2.5 2.5 3 3.5
c max. 0.6 0.8 0.8 0.8 0.8
da max. 16.7 21.2 26.4 32.4 38.4
dw min. 19.15 24.85 31.35 38 46.55
e min. 22.78 29.56 37.29 45.2 55.37
k nom. 8.8 11.5 14 17 21
max. 9.25 12.4 14.9 17.9 22.05
min. 8.35 10.6 13.1 16.1 19.95
kwb min. 5.85 7.42 9.17 11.27 13.97
r min. 0.6 0.6 0.8 1 1
s nom. =  max. 21 27 34 41 50
  min. 20.16 26.16 33 40 49
                     
Thread (d) M39 M45 M52 M60  
pa 4 4.5 5 5.5  
a max. 12 13.5 15 16.5  
min. 4 4.5 5 5.5  
c max. 1 1 1 1  
da max. 45.4 52.6 62.6 71  
dw min. 55.86 64.7 74.2 83.41  
e min. 66.44 76.95 88.25 99.21  
k nom. 25 28 33 38  
max. 26.05 29.05 34.25 39.25  
min. 23.95 26.95 31.75 36.75  
kwb min. 16.77 18.87 22.23 25.73  
r min. 1 1.2 1.6 2  
s nom. =  max. 60 70 80 90
  min. 58.8 68.1 78.1 87.8
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