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公制螺纹牙距表 |
美制 统一标准螺纹牙数表 |
|
公称直径 |
牙距 mm |
公称直径 |
直径尺寸 |
牙距＝每英寸牙数 |
|
毫米 |
粗牙 |
细牙 |
号＜ 1/4" |
英寸 in |
毫米 mm |
粗牙 UNC |
细牙 UNF |
|
M1 |
0.25 |
0.2 |
0# |
0.06 |
1.524 |
- |
80 |
|
M1.2 |
0.25 |
0.2 |
1# |
0.073 |
1.854 |
64 |
72 |
|
M1.6 |
0.35 |
0.2 |
2# |
0.086 |
2.184 |
56 |
64 |
|
M2 |
0.4 |
0.25 |
3# |
0.099 |
2.515 |
48 |
56 |
|
M2.5 |
0.45 |
0.35 |
4# |
0.112 |
2.845 |
40 |
48 |
|
M3 |
0.5 |
0.35 |
5# |
0.125 |
3.175 |
40 |
44 |
|
M4 |
0.7 |
0.5 |
6# |
0.138 |
3.505 |
32 |
40 |
|
M5 |
0.8 |
0.5 |
8# |
0.164 |
4.166 |
32 |
36 |
|
M6 |
1 |
0.75 |
10# |
0.19 |
4.826 |
24 |
32 |
|
M8 |
1.25 |
1 |
12# |
0.216 |
5.486 |
24 |
28 |
|
M10 |
1.5 |
1.25 |
1/4" |
0.25 |
6.35 |
20 |
28 |
|
M12 |
1.75 |
1.25 |
5/16" |
0.3125 |
7.938 |
18 |
24 |
|
M14 |
2 |
1.5 |
3/8" |
0.375 |
9.525 |
16 |
24 |
|
M16 |
2 |
1.5 |
7/16" |
0.4375 |
11.113 |
14 |
20 |
|
M18 |
2.5 |
1.5 |
1/2" |
0.5 |
12.7 |
13 |
20 |
|
M20 |
2.5 |
1.5 |
9/16" |
0.5625 |
14.288 |
12 |
18 |
|
M22 |
2.5 |
1.5 |
5/8" |
0.625 |
15.875 |
11 |
18 |
|
M24 |
3 |
2 |
3/4" |
0.75 |
19.05 |
10 |
16 |
|
M27 |
3 |
2 |
7/8" |
0.875 |
22.225 |
9 |
14 |
|
M30 |
3.5 |
2 |
1" |
1 |
25.4 |
8 |
12 |
|
(M33) |
3.5 |
2 |
1-1/8" |
1.125 |
28.575 |
7 |
12 |
|
M36 |
4 |
3 |
1-1/4" |
1.25 |
31.75 |
7 |
12 |
|
(M39) |
4 |
3 |
1-3/8" |
1.375 |
34.925 |
6 |
12 |
|
M42 |
4.5 |
3 |
1-1/2" |
1.5 |
38.1 |
6 |
12 |
|
(M45) |
4.5 |
3 |
1-3/4" |
1.75 |
44.45 |
5 |
- |
|
M48 |
5 |
3 |
2" |
2 |
50.8 |
4.5 |
- |
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自攻螺钉牙距表 |
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公称 |
牙距 |
公称 |
AB 牙 |
A 牙 |
|
ST1.5 |
0.5 |
4# |
24 |
24 |
|
ST1.9 |
0.6 |
5# |
20 |
20 |
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ST2.2 |
0.8 |
6# |
20 |
18 |
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ST2.6 |
0.9 |
7# |
19 |
16 |
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ST2.9 |
1.1 |
8# |
18 |
15 |
|
ST3.3 |
1.3 |
10# |
16 |
12 |
|
ST3.5 |
1.3 |
12# |
14 |
11 |
|
ST3.9 |
1.4 |
14# |
14 |
10 |
|
ST4.2 |
1.4 |
日本墙板钉 |
|
ST4.8 |
1.6 |
公称 |
粗牙 |
细牙 |
|
ST5.5 |
1.8 |
6# |
9 |
18 |
|
ST6.3 |
1.8 |
7# |
9 |
16 |
|
ST8.0 |
2.1 |
8# |
9 |
15 |
|
ST9.5 |
2.1 |
10# |
8 |
12 |
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7英制螺纹－惠氏螺纹牙数表 |
|
公称 |
直径尺寸 |
牙距＝每英寸牙数 |
|
无号数 |
英寸 in |
毫米 mm |
粗牙 BSW |
细牙 BSF |
|
3/32" |
0.0938 |
2.381 |
48 |
- |
|
1/8" |
0.125 |
3.175 |
40 |
- |
|
5/32" |
0.1563 |
3.969 |
32 |
- |
|
3/16" |
0.1875 |
4.763 |
24 |
32 |
|
1/4" |
0.25 |
6.35 |
20 |
26 |
|
5/16" |
0.3125 |
7.938 |
18 |
22 |
|
3/8" |
0.375 |
9.525 |
16 |
20 |
|
7/16" |
0.4375 |
11.113 |
14 |
18 |
|
1/2" |
0.5 |
12.7 |
12 |
16 |
|
5/8" |
0.625 |
15.875 |
11 |
14 |
|
3/4" |
0.75 |
19.05 |
10 |
12 |
|
7/8" |
0.875 |
22.225 |
9 |
11 |
|
1" |
1 |
25.4 |
8 |
10 |
|
1-1/8" |
1.125 |
28.575 |
7 |
9 |
|
1-1/4" |
1.25 |
31.75 |
7 |
9 |
|
1-1/2" |
1.5 |
38.1 |
6 |
8 |
|
1-3/4" |
1.75 |
44.45 |
5 |
7 |
|
2" |
2 |
50.8 |
4.5 |
7 | |
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