STANDARD FASTENERS STANDARD FASTENERS
TECHNICAL DATA
| NOMINAL SIZE OF BOLT OR SCREW |
INSIDE DIAMETER (D1) MM | OUTER DIAMETER (D2) MM | THICKNESS (T) MM |
| Min - Max | Min - Max | Min - Max | |
| M1.6 | 1.7 - 1.84 | 3.7 - 4 | 0.25 - 0.35 |
| M2 | 2.2 - 2.34 | 4.7 - 5 | 0.25 - 0.35 |
| M2.5 | 2.7 - 2.84 | 5.7 - 6 | 0.45 - 0.55 |
| M3 | 3.2 - 3.38 | 6.64 - 7 | 0.45 - 0.55 |
| M3.5 | 3.7 - 3.88 | 7.64 - 8 | 0.45 - 0.55 |
| M4 | 4.3 - 4.48 | 8.64 - 9 | 0.7 - 0.9 |
| M5 | 5.3 - 5.48 | 9.64 - 10 | 0.9 - 1.10 |
| M6 | 6.4 - 6.62 | 11.57 - 12 | 1.4 - 1.8 |
| M8 | 8.4 - 8.62 | 15.57 - 16 | 1.4 - 1.8 |
| M10 | 10.5 - 10.77 | 19.48 - 20 | 1.8 - 2.2 |
| M12 | 13 - 13.27 | 23.48 - 24 | 2.3 - 2.7 |
| M14 | 15 - 15.27 | 27.48 - 28 | 2.3 - 2.7 |
| M16 | 17 - 17.27 | 29.48 - 30 | 2.7 - 3.3 |
| M18 | 19 - 19.33 | 33.38 - 34 | 2.7 - 3.3 |
| M20 | 21 - 21.33 | 36.38 - 37 | 2.7 - 3.3 |
| M22 | 23 - 23.33 | 38.38 - 39 | 2.7 - 3.3 |
| M24 | 25 - 25.33 | 43.38 - 44 | 3.7 - 4.3 |
| M27 | 28 - 28.33 | 49.38 - 50 | 3.7 - 4.3 |
| M30 | 31 - 31.39 | 55.26 - 56 | 3.7 - 4.3 |
| M33 | 34 - 34.62 | 58.8 - 60 | 4.4 - 5.6 |
| M36 | 37 - 37.62 | 64.8 - 66 | 4.4 - 5.6 |
| M39 | 40 - 40.62 | 70.08 - 72 | 5.4 - 6.6 |
| M42 | 43 - 43.62 | 76.8 - 78 | 6 - 8 |
| M48 | 50 - 50.62 | 90.6 - 92 | 7 - 9 |
