ボルト径 | 孔径 | 縁端距離 | 部材間距離 | 板厚 |
M16 | 40 | 31.5 | 35 | 9~20 |
M20 | 45 | 36 | 37.5 | 9~20 |
M22 | 50 | 39.5 | 40 | 22~32 |
M24 | 50 | 42.5 | 42.5 | 24~36 |
M27 | 55 | 47.5 | 45 | 27~40 |
M30 | 55 | 50 | 47.5 | 30~45 |
M33 | 60 | 55 | 50 | 33~50 |
M36 | 65 | 60 | 55 | 36~55 |
M39 | 75 | 67.5 | 60 | 39~60 |
M42 | 80 | 72.5 | 65 | 42~65 |
M45 | 85 | 77.5 | 65 | 45~70 |
M48 | 90 | 82.5 | 70 | 48~75 |