螺絲小常識
| 標準 | 細牙 |
| 直徑 | 牙距 | 直徑 | 牙距 |
| M2 | 0.4 | M4 | 0.5 |
| M2.5 | 0.45 | M4.5 | 0.5 |
| M2.6 | 0.45 | M5 | 0.5 |
| M3 | 0.5 | M6 | 0.75 |
| M3.5 | 0.6 | M7 | 0.75 |
| M4 | 0.7 | M8 | 1.0 |
| M4.5 | 0.75 | M9 | 1.0 |
| M5 | 0.8 | M10 | 1.0 |
| M6 | 1.0 | | 1.25 |
| M7 | 1.0 | M11 | 1.0 |
| M8 | 1.25 | M12 | 1.0 |
| M9 | 1.25 | | 1.25 |
| M10 | 1.5 | | 1.5 |
| M11 | 1.5 | M14 | 1.5 |
| M12 | 1.75 | M16 | 1.5 |
| M14 | 2.0 | M18 | 1.5 |
| M16 | 2.0 | M20 | 1.5 |
| M18 | 2.5 | | 2.0 |
| M20 | 2.5 | M22 | 1.5 |
| M22 | 2.5 | | 2.0 |
| M24 | 3.0 | M24 | 1.5 |
| M27 | 3.0 | | 2.0 |
| M30 | 3.5 | M27 | 1.5 |
| M33 | 3.5 | | 2.0 |
| M36 | 4.0 | M30 | 1.5 |
| M39 | 4.0 | | 2.0 |
| M42 | 4.5 | M33 | 1.5 |
| M45 | 4.5 | | 2.0 |
| M48 | 5.0 | M36 | 1.5 |
| M56 | 5.5 | | |
| 標準 | 細牙 |
| 直徑 | 牙距 | 直徑 | 牙距 |
| 1/8 | 40 | 3/16 | 32 |
| 5/32 | 32 | 1/4 | 28 |
| 3/16 | 24 | 5/16 | 24 |
| 1/4 | 20 | 3/8 | 24 |
| 5/16 | 18 | 7/16 | 20 |
| 3/8 | 16 | 1/2 | 20 |
| 7/16 | 14 | 5/8 | 18 |
| 1/2 | 12 | 3/4 | 16 |
| | 13 | 7/8 | 14 |
| 9/16 | 12 | 1" | 12 |
| 5/8 | 11 | 1 1/8 | 12 |
| 3/4 | 10 | 1 1/4 | 12 |
| 7/8 | 9 | 1 3/8 | 12 |
| 1" | 8 | 1 1/2 | 12 |
| 1 1/8 | 7 | | |
| 1 1/4 | 7 | | |
| 1 3/8 | 6 | | |
| 1 1/2 | 6 | | |
| 1 5/8 | 5 | | |
| 1 3/4 | 5 | | |
| 1 7/8 | 4.5 | | |
| 2" | 4.5 | | |
| 2 1/4 | 4 | | |
| 2 1/2 | 4 | | |
| 2 3/4 | 4 | | |
| 3" | 4 | | |
| 3 1/2 | 4 | | |
| 4" | 4 | | |
| | | | |
| | | | |
