ANSI B1.1 螺距對照表 | |||||
公稱直徑 | 粗牙螺距 | 細牙螺距 | 超細牙螺距 | 鉆孔直徑 | 鉆孔直徑 |
#0?0.060?〖1.524〗 | 80 | 1.2 | |||
#1?0.073?〖1.854〗 | 64 | 72 | 1.5 | 1.5 | |
#2?0.086?〖2.184〗 | 56 | 64 | 1.8 | 1.8 | |
#3?0.099?〖2.515〗 | 48 | 56 | 2.0 | 2.1 | |
#4?0.112?〖2.845〗 | 40 | 48 | 2.3 | 2.4 | |
#5?0.125?〖3.175〗 | 40 | 44 | 2.5 | 2.6 | |
#6?0.138?〖3.505〗 | 32 | 40 | 2.7 | 2.9 | |
#8?0.164?〖4.166〗 | 32 | 36 | 3.4 | 3.5 | |
#10?0.190?〖4.826〗 | 24 | 32 | 3.7 | 4.0 | |
#12?0.216?〖5.486〗 | 24 | 28 | 32 | 4.5 | 4.6 |
1/4? 〖6.35〗 | 20 | 28 | 32 | 5.1 | 5.4 |
5/16?〖7.938〗 | 18 | 24 | 32 | 6.5 | 6.9 |
3/8? 〖9.525〗 | 16 | 24 | 32 | 8.0 | 8.4 |
7/16?〖11.113〗 | 14 | 20 | 28 | 9.3 | 10.0 |
1/2? 〖12.7〗 | 13 | 20 | 28 | 10.7 | 11.5 |
9/16?〖14.288〗 | 12 | 18 | 24 | 12.3 | 13.1 |
5/8? 〖15.875〗 | 11 | 18 | 24 | 13.5 | 14.7 |
3/4? 〖19.05〗 | 10 | 16 | 20 | 16.7 | 17.5 |
7/8? 〖22.225〗 | 9 | 14 | 20 | 19.4 | 20.6 |
1? ?〖25.4〗 | 8 | 12 | 20 | 22.2 | 23.4 |