Select through holes for bolts or screws
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HOME / TECH & NEWS / Tech Document / Select through holes for bolts or screws
Select through holes for bolts or screws

Nominal diameter of thread d M 1 M 1.2 M 1.4 M 1.6 M 1.8 M 2 M 2.5 M 3 M 3.5 M 4 M 4.5 M 5 M 6 M 7 M 8 M 10 M 12
Thread Diameter d                                      
Hole (dh)/fine assembly 1.1 1.3 1.5 1.7 2 2.2 2.7 3.2 3.7 4.3 4.8 5.3 6.4 7.4 8.4 10.5 13
Through hole (dh)/medium assembly 1.2 1.4 1.6 1.8 2.1 2.4 2.9 3.4 3.9 4.5 5 5.5 6.6 7.6 9 11 13.5
Through hole (dh)/rough assembly 1.3 1.5 1.8 2 2.2 2.6 3.1 3.6 4.2 4.8 5.3 5.8 7 8 10 12 14.5

 

Nominal diameter of thread d M 14 M 16 M 18 M 20 M 22 M 24 M 27 M 30 M 33 M 36 M 39 M 42 M 45 M 48 M 52 M 56 M 60
Thread Diameter d                                  
Through hole (dh)/fine assembly 15 17 19 21 23 25 28 31 34 37 40 43 46 50 54 58 62
Through hole (dh)/medium assembly 15.5 17.5 20 22 24 26 30 33 36 39 42 45 48 52 56 62 66
Through hole (dh)/rough assembly 16.5 18.5 21 24 26 28 32 35 38 42 45 48 52 56 62 66 70

 

Nominal diameter of thread d M 64 M 68 M 72 M 76 M 80 M 85 M 90 M 95 M 100 M 105 M 110 M 115 M 120 M 125 M 130 M 140 M 150
Thread Diameter d                                  
Through hole (dh)/fine assembly 66 70 74 78 82 87 93 98 104 109 114 119 124 129 134 144 155
Through hole (dh)/medium assembly 70 74 78 82 86 91 96 101 107 112 117 122 127 132 137 147 158
Through hole (dh)/rough assembly 74 78 82 86 91 96 101 107 112 117 122 127 132 137 144 155 165