Bolt Weight Chart

Socket Head Bolt Weight (Allen Bolt)
Kg/100Nos
LENGTH\DIA M2 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20 M24 M30 M36 M42 M48 M56 M64
3 0.0155                                  
4 0.0175                                  
5 0.0195 0.067                                
6 0.0215 0.071 0.15                              
8 0.0255 0.08 0.165 0.245                            
10 0.0295 0.088 0.18 0.27 0.47                          
12 0.0355 0.096 0.195 0.295 0.507 1.09                        
16 0.0415 0.116 0.225 0.345 0.575 1.21 2.09                      
20 0.0495 0.136 0.265 0.401 0.653 1.34 2.29 3.21                    
25   0.161 0.315 0.478 0.759 1.5 2.54 3.57 4.8 7.13                
30   0.186 0.365 0.555 0.83 1.69 2.79 3.93 5.3 7.78 12.8              
35     0.415 0.632 0.991 1.89 3.04 4.29 5.8 8.44 13.9              
40     0.465 0.709 1.1 2.09 3.29 4.65 6.3 9.1 15 27            
45       0.786 1.21 2.29 3.61 5.01 6.8 9.76 16.1 28.5 50          
50       0.863 1.32 2.49 3.93 5.45 7.3 10.6 17.2 30 52.7          
55         1.43 2.69 4.25 5.89 7.8 11.4 18.3 31.6 55.4 87        
60         1.54 2.89 4.57 6.34 8.4 12.2 19.4 33 58.1 91 137      
65           3.1 4.89 6.78 9 13 20.5 34.5 60.8 95 142      
70           3.3 5.21 7.13 9.6 13.8 21.6 36.3 63.5 99 147 204    
80           3.7 5.85 8.02 10.8 15.4 24.1 39.9 69 107 158 218 334  
90             6.49 8.91 12 17 26.6 43.5 74.5 115 168 232 353 522
100             7.12 9.8 13.2 18.6 29.1 47.1 80 123 179 246 372 547
110               10.7 14.4 20.2 31.6 50.7 85.5 131 189 260 392 573
120               11.6 15.6 21.8 34.1 54.3 91 139 200 274 411 598
130                 16.8 23.4 36.6 57.9 96.5 147 210 288 430 623
140                 18 25 39.1 61.5 102 155 221 302 449 649
150                   26.6 41.6 65.1 108 163 232 316 468 674
160                   28.2 44.1 68.7 113 171 242 330 488 690
180                     49.1 75.9 124 187 264 359 527 725
200                     54.1 83.1 135 203 286 387 565 775
220                       90.3 146 219 308 415 604 825
240                       97.5 157 225 330 443 642 875
260                         168 241 352 471 681 926
280                         179 257 374 499 720 976
300                         190 273 396 527 758 1030
Hex Head Bolt Weight
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
LENGTH DIAMETER
M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22  
16mm 0.448 0.743 1.59 3.211              
20mm 0.598 0.812 1.711 3.411 4.892            
25mm 0.66 0.897 1.871 3.66 5.252 8.17          
30mm 0.737 1.01 2.07 3.912 5.574 9.69 10.707   18.657    
35mm 0.804 1.12 2.271 4.223 5.974 10 11.416 16.026 19.608    
40mm 0.881 1.23 2.47 4.533 6.41 10.288 12.107 16.667 20.747    
45mm 0.958 1.34 2.671 4.84 6.859 10.504 12.821 17.241 21.739    
50mm 1.03 1.45 2.87 5.155 7.299 11.261 13.624 17.857 22.727 28.409  
55mm   1.56 3.071 5.464 7.74 11.628 14.409 18.868 23.81 30.12  
60mm   1.67 3.27 5.774 8.183 12.255 15.244 20 25.126 32.051  
65mm   1.781 3.472 6.083 8.621 12.626 16.026 21.008 26.455 34.014  
70mm   1.89 3.671 6.394 9.058 12.987 16.835 22.124 27.778 35.461  
75mm   2 3.873 6.702 9.506 13.228 17.606 23.256 29.07 39.063  
80mm   2.111 4.072 7.013 10 13.889 18.248 24.51 30.303 40  
90mm     4.472 7.634 10.917 14.925 19.841 26.042 33.113 41.667  
100mm     4.873 8.251 11.82 16.34 21.459 27.778 35.714 46.296  
110mm       8.881 12.723 17.73 23.041 31.25 38.168 47.17  
120mm       9.506 13.624 18.797 24.631 32.895 40.984 50  
130mm       10.101 14.535 20 26.316 34.722 43.478 52.632  
140mm       10.707 15.432 20.833 27.933 35.461 46.296 55.556  
150mm       11.312 16.34 22.222 29.412 37.594 48.544 58.824  
160mm       11.905 17.241 24.272 31.056 40.984 50.505 61.728  
170mm       12.5 18.116   32.68   53.191 64.935  
180mm       13.123 19.011 26.882 34.247   55.556 67.568  
190mm       13.736 19.92   35.971   58.14 70.423  
200mm       14.327 20.833 29.586 37.594 49.02 60.976 73.529  
220mm       15.528 22.624   40.65   65.789 79.365  
240mm       16.722 24.51   43.86   71.429 84.746  
250mm       17.301 25.381   45.455   74.627 87.719  
260mm       17.921 26.316   47.17   76.923 90.909  
280mm       19.157 28.09   50.505   81.967 98.039  
300mm       20.325 29.94   53.763   87.719 104.167  
320mm         31.646   56.818   92.593    
340mm         33.557   60.241   98.039    
360mm         35.211   63.291   104.167    
380mm         37.037   66.667   108.696    
400mm         39.063   69.444   113.636    
BSW THREADS AS PER BS 916/53
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
DIAMETER
1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1.1/8" 1.1/4" 1.1/2" 1.3/4" 2"  
3/4" 1.111                          
1" 1.252 2.041 3.123 4.95                    
1.1/4" 1.401 2.281 3.458 5.388 7.692 13.966                
1.1/2" 1.556 2.523 3.797 5.875 8.306 14.925 23.81 29.24            
1.3/4" 1.705 2.762 4.132 6.329 8.897 15.924 25.253 31.056 45.045          
2" 1.864 3.003 4.468 6.793 9.506 16.949 26.882 32.68 47.619          
2.1/4" 2.005 3.245 4.826 7.246 10.121 17.921 28.249 34.483 50.505 70.423        
2.1/2" 2.159 3.484 5.144 7.704 10.707 18.868 29.762 36.765 52.632 73.529 98.039 156.25 227.273 312.5
3" 2.459 3.965 5.814 8.621 11.933 20.921 32.468 40.323 56.818 79.365 106.383 166.667 250 333.333
3.1/2" 2.762 4.444 6.485 9.542 13.123 22.831 35.714 43.86 60.976 84.746 113.636 178.571 250 333.333
4" 3.075 4.926 7.153 10.46 14.327 24.876 38.462 48.544 66.667 90.909 119.048 185.185 277.778 357.143
4.1/2" 3.367 5.405 7.813 11.364 15.528 26.882 40.984 51.546 69.444 98.039 128.205 192.308 277.778 384.615
5" 3.655 5.903 8.475 12.285 16.779 28.902 43.86 54.945 76.923 102.041 135.135 208.333 294.118 384.615
5.1/2" 3.946 6.386 9.141 13.158 17.921 30.864 47.17 58.824 81.967 108.696 147.059 227.273 333.333 416.667
6" 4.237 6.868 9.804 14.085 19.157 32.68 50.505 63.291 86.207 116.279 156.25 238.095 357.143 416.667
7"         20.833 34.722 53.763 73.529 96.154 128.205 172.414 250 384.615 500
8"         23.585 38.462 58.14 79.365 106.383 142.857 185.185 277.778 416.667 555.556
9"         25.907 42.735 64.935 87.719 116.279 156.25 200 312.5 454.545 555.556
10"         28.736 47.619 71.429 96.154 125 166.667 217.391 333.333 454.545 625
11"         31.25 50.505 75.758 104.167 135.135 178.571 238.095 357.143 500 714.286
12"         33.557 53.763 80.645 113.636 147.059 192.308 250 384.615 555.556 714.286
14"         38.462 60.976 92.593 125 166.667 217.391 277.778 416.667 625 833.333
16"         43.478 68.493 104.167 142.857 185.185 238.095 312.5 500 714.286 1,000.00
18"         48.544 76.923 113.636 156.25 208.333 263.158 333.333 555.556 714.286 1,000.00
20"         53.763 84.746 125 172.414 227.273 294.118 384.615 625 833.333 1,250.00