BS 4190 Standard
Sizes greater than 68 mm diameter
| Nominal size and thread diameter d |
Width across flats s |
Width across corners e min. |
Nominal height of head k |
Nominal thickness of nut m |
|
|---|---|---|---|---|---|
| max. | min. | ||||
| M72 | 105 | 103.60 | 117.07 | 45 | 58 |
| (M76) | 110 | 108.60 | 122.72 | 48 | 61 |
| M80 | 115 | 113.60 | 128.37 | 50 | 64 |
| (M85) | 120 | 118.60 | 134.02 | 54 | 68 |
| M90 | 130 | 128.40 | 145.09 | 57 | 72 |
| (M95) | 135 | 133.40 | 150.74 | 60 | 76 |
| M100 | 145 | 143.40 | 162.04 | 63 | 80 |
| (M105) | 150 | 148.40 | 167.69 | 66 | 84 |
| M110 | 155 | 153.40 | 173.34 | 69 | 88 |
| (M115) | 165 | 163.40 | 184.64 | 72 | 92 |
| (M120) | 170 | 168.40 | 190.29 | 76 | 96 |
| M125 | 180 | 178.40 | 201.59 | 79 | 100 |
| (M130) | 185 | 183.15 | 206.96 | 82 | 104 |
| M140 | 200 | 198.15 | 223.91 | 88 | 112 |
| M150 | 210 | 208.15 | 235.21 | 95 | 120 |