UNC 粗牙螺纹
ASME B1.1
挤压螺纹尺寸 |
挤压螺纹预钻孔直径![]() |
Ø P Gg/1" | ømm |
2–56 UNC | 1,97 |
3–48 UNC | 2,26 |
4–40 UNC | 2,55 |
5–40 UNC | 2,87 |
6–32 UNC | 3,15 |
8–32 UNC | 3,80 |
10–24 UNC | 4,30 |
12–24 UNC | 5,00 |
1/4–20 UNC | 5,75 |
5/16–18 UNC | 7,25 |
3/8–16 UNC | 8,75 |
7/16–14 UNC | 10,30 |
1/2–13 UNC | 11,80 |
9/16–12 UNC | 13,30 |
5/8–11 UNC | 14,80 |
3/4–10 UNC | 17,90 |