攻牙前使用鑽頭之孔徑對照表
2014.12.22
公制牙 |
|
規格 |
牙距 |
軟材下孔 |
硬材下孔 |
|
M 1 |
0.25 |
0.75 |
0.78 |
|
M 1.2 |
0.25 |
0.96 |
1 |
|
M 1.4 |
0.3 |
1.1 |
1.15 |
|
M 1.7 |
0.35 |
1.4 |
1.45 |
|
M 2 |
0.25 |
1.75 |
1.8 |
|
M 2 |
0.4 |
1.6 |
1.7 |
|
M 2.3 |
0.25 |
2.05 |
2.1 |
|
M 2.3 |
0.4 |
1.9 |
2 |
|
M 2.6 |
0.35 |
2.25 |
2.3 |
|
M 2.6 |
0.45 |
2.15 |
2.2 |
|
M 3 |
0.35 |
2.7 |
2.8 |
|
M 3 |
0.5 |
2.5 |
2.6 |
|
M 3 |
0.6 |
2.4 |
2.5 |
|
M 3.5 |
0.35 |
3.2 |
3.3 |
|
M 3.5 |
0.6 |
2.9 |
3 |
|
M 4 |
0.5 |
3.55 |
3.6 |
|
M 4 |
0.7 |
3.3 |
3.4 |
|
M 4 |
0.75 |
3.3 |
3.4 |
|
M 4.5 |
0.5 |
4.05 |
4.1 |
|
M 4.5 |
0.75 |
3.8 |
3.9 |
|
M 5 |
0.5 |
4.55 |
4.6 |
|
M 5 |
0.8 |
4.2 |
4.4 |
|
M 5 |
0.9 |
4.1 |
4.3 |
|
M 5.5 |
0.5 |
5.05 |
5.1 |
|
M 5.5 |
0.9 |
4.6 |
4.8 |
|
M 6 |
0.5 |
5.55 |
5.6 |
|
M 6 |
0.75 |
5.3 |
5.4 |
|
M 6 |
1 |
5 |
5.2 |
|
M 7 |
0.5 |
6.55 |
6.6 |
|
M 7 |
0.75 |
6.3 |
6.4 |
|
M 7 |
1 |
6 |
6.2 |
|
M 8 |
0.5 |
7.5 |
7.6 |
|
M 8 |
0.75 |
7.3 |
7.4 |
|
M 8 |
1 |
7 |
7.2 |
|
M 8 |
1.25 |
6.8 |
7 |
|
M 9 |
0.5 |
8.5 |
8.6 |
|
M 9 |
0.75 |
8.3 |
8.4 |
|
M 9 |
1 |
8 |
8.2 |
|
M 9 |
1.25 |
7.8 |
8 |
|
M 10 |
0.5 |
9.5 |
9.6 |
|
M 10 |
0.75 |
9.3 |
9.4 |
|
M 10 |
1 |
9 |
9.2 |
|
M 10 |
1.25 |
8.8 |
9 |
|
M 10 |
1.5 |
8.5 |
8.7 |
|
M 11 |
0.5 |
10.5 |
10.6 |
|
M 11 |
0.75 |
10.3 |
10.4 |
|
M 11 |
1 |
10 |
10.2 |
|
M 11 |
1.25 |
9.8 |
10 |
|
M 11 |
1.5 |
9.6 |
9.8 |
|
M 12 |
0.5 |
11.5 |
11.6 |
|
M 12 |
0.75 |
11.3 |
11.4 |
|
M 12 |
1 |
11 |
11.2 |
|
M 12 |
1.25 |
10.8 |
11 |
|
M 12 |
1.5 |
10.6 |
10.8 |
|
M 12 |
1.75 |
10.2 |
10.5 |
|
M 13 |
1 |
12 |
12.2 |
|
M 14 |
1 |
13 |
13.2 |
|
M 14 |
1.5 |
12.6 |
12.8 |
|
M 15 |
1 |
14 |
14.2 |
|
M 16 |
1 |
15 |
15.2 |
|
|
|
|
|
|
美制牙 |
規格 |
山數 |
外徑 |
軟材下孔 |
硬材下孔 |
NO.1UNC |
64 |
1.854 |
1.5 |
1.6 |
NO.2UNC |
56 |
2.184 |
1.7 |
1.8 |
NO.3UNC |
48 |
2.515 |
2 |
2.1 |
NO.4UNC |
40 |
2.845 |
2.2 |
2.3 |
NO.5UNC |
40 |
3.175 |
2.5 |
2.6 |
NO.6UNC |
32 |
3.505 |
2.7 |
2.8 |
NO.8UNC |
32 |
4.166 |
3.4 |
3.5 |
NO.10UNC |
24 |
4.826 |
3.8 |
3.9 |
NO.12UNC |
24 |
5.486 |
4.4 |
4.5 |
|
|
|
|
|
美制牙 |
規格 |
山數 |
外徑 |
軟材下孔 |
硬材下孔 |
NO.0UNF |
80 |
1.524 |
1.2 |
1.3 |
NO.1UNF |
72 |
1.854 |
1.5 |
1.6 |
NO.2UNF |
64 |
2.184 |
1.8 |
1.9 |
NO.3UNF |
56 |
2.515 |
2.1 |
2.2 |
NO.4UNF |
48 |
2.845 |
2.4 |
2.5 |
NO.5UNF |
44 |
3.175 |
2.7 |
2.8 |
NO.6UNF |
40 |
3.505 |
2.9 |
3 |
NO.8UNF |
36 |
4.166 |
3.5 |
3.6 |
NO.10UNF |
32 |
4.826 |
4.1 |
4.2 |
NO.12UNF |
28 |
5.486 |
4.6 |
4.7 |
|
|
|
|
|
管用牙(英制) |
|
規格 |
山數 |
外徑 |
下孔徑 |
|
1/8PT |
28 |
9.728 |
8.2 |
|
1/8PS |
28 |
9.728 |
8.5 |
|
1/4PT |
19 |
13.157 |
10.9 |
|
1/4PS |
19 |
13.157 |
11.4 |
|
3/8PT |
19 |
16.662 |
14.4 |
|
3/8PS |
19 |
16.662 |
14.9 |
|
1/2PT |
14 |
20.955 |
18 |
|
1/2PS |
14 |
20.955 |
18.5 |
|
3/4PT |
14 |
26.441 |
23 |
|
3/4PS |
14 |
26.441 |
24 |
|
|
|
|
|
|
|
|
|
|
|
管用牙(美制) |
|
規格 |
山數 |
外徑 |
下孔徑 |
|
1/8NPT |
27 |
10.3 |
8.4 |
|
1/8NPS |
27 |
10.3 |
8.8 |
|
1/4NPT |
18 |
13.7 |
11 |
|
1/4NPS |
18 |
13.7 |
11.1 |
|
3/8NPT |
18 |
17.1 |
14.3 |
|
3/8NPS |
18 |
17.1 |
14.7 |
|
1/2NPT |
14 |
21.3 |
17.9 |
|
1/2NPS |
14 |
21.3 |
18.1 |
|
3/4NPT |
14 |
26.7 |
23 |
|
3/4NPS |
14 |
26.7 |
23.4 |
|
|
|
|
|
|
|
|
|
|
|
美制牙 |
|
規格 |
山數 |
軟材下孔 |
硬材下孔 |
|
3/16UNF |
32 |
4 |
4.1 |
|
1/4UNF |
28 |
5.5 |
5.6 |
|
5/16UNF |
24 |
7 |
7.1 |
|
3/8UNF |
24 |
8.6 |
8.7 |
|
7/16UNF |
20 |
9.9 |
10 |
|
1/2UNF |
20 |
11.5 |
11.6 |
|
9/16UNF |
18 |
12.9 |
13.1 |
|
5/8UNF |
18 |
14.5 |
14.6 |
|
3/4UNF |
16 |
17.5 |
17.6 |
|
7/8UNF |
14 |
20.5 |
20.6 |
|
|
|
|
|
|
|
|
|
|
|
美制特細牙 |
|
規格 |
山數 |
軟材下孔 |
硬材下孔 |
|
1/4UNEF |
32 |
5.6 |
5.7 |
|
5/16UNEF |
32 |
7.2 |
7.3 |
|
3/8UNEF |
32 |
8.8 |
9 |
|
1/2UNEF |
28 |
11.8 |
12 |
|
5/8UNEF |
24 |
14.9 |
15.1 |
|
|
|
|
|
|
|
|
|
|
|
英制牙 |
|
規格 |
山數 |
軟材下孔 |
硬材下孔 |
|
W1/16" |
60 |
1.2 |
1.3 |
|
W3/32" |
48 |
1.9 |
2 |
|
W1/8" |
40 |
2.5 |
2.6 |
|
W5/32" |
32 |
3.1 |
3.3 |
|
W3/16" |
24 |
3.7 |
3.8 |
|
W1/4 |
20 |
5 |
5.1 |
|
W5/16 |
18 |
6.5 |
6.6 |
|
W3/8 |
16 |
7.9 |
8 |
|
W1/2 |
12 |
10.5 |
10.7 |
|
W5/8 |
11 |
13.5 |
13.7 |
|
|
|
|
|
|
|
|
|
|
|
針車牙 |
|
規格 |
山數 |
軟材下孔 |
硬材下孔 |
|
SM9/64 |
40 |
2.9 |
3 |
|
SM11/64 |
40 |
3.7 |
3.8 |
|
SM15/64 |
28 |
5.1 |
5.2 |
|
SM1/4 |
40 |
5.7 |
5.8 |
|
SM9/32 |
28 |
6.3 |
6.4 |
|