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| 一般ネジサイズ(寸法)の見方・呼び方 |
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| メートルネジ |
工具(スパナ・メガネ・ソケット・六角レンチ等)の口幅 |
| ネジ径:D |
六角ボルト:S |
小形六角ボルト:S |
六角穴付ボルト:S |
| M1.6 |
3.2 |
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| M2 |
4 |
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1.5 |
| M2.5 |
5 |
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2 |
| M3 |
5.5 |
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2.5 |
| M3.5 |
6 |
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| M4 |
7 |
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3 |
| M4.5 |
8 |
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| M5 |
8 |
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4 |
| M6 |
10 |
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5 |
| M7 |
11 |
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| M8 |
13 |
12 |
6 |
| M10 |
16・17 |
14 |
8 |
| M12 |
18・19 |
17 |
10 |
| M14 |
21・22 |
19 |
12 |
| M16 |
24 |
22 |
14 |
| M18 |
27 |
24 |
14 |
| M20 |
30 |
27 |
17 |
| M22 |
32 |
30 |
17 |
| M24 |
36 |
32 |
19 |
| M27 |
41 |
36 |
19 |
| M30 |
46 |
41 |
22 |
| M33 |
50 |
46 |
24 |
| M36 |
55 |
50 |
27 |
| M39 |
60 |
55 |
27 |
| M42 |
65 |
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32 |
| M45 |
70 |
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32 |
| M48 |
75 |
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36 |
| M52 |
80 |
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36 |
| M56 |
85 |
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41 |
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| ネジサイズ(寸法)の見方・呼び方 |
| TORX(トルクス)ネジ |
E・TORX(トルクス)ネジ |
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ネジサイズ |
| サイズ |
S(ミリ) |
D |
| T6 |
1.6 |
M2 |
| T7 |
2.0 |
M2.5 |
| T8 |
2.3 |
M2.5 |
| T9 |
2.5 |
M3 |
| T10 |
2.7 |
M3/M3.5 |
| T15 |
3.3 |
M3.5/M4 |
| T20 |
3.8 |
M4/M5 |
| T25 |
4.4 |
M4.5/M5 |
| T27 |
5.0 |
M4.5/M5/M6 |
| T30 |
5.5 |
M6/M7 |
| T40 |
6.6 |
M7/M8 |
| T45 |
7.8 |
M8/M10 |
| T50 |
8.8 |
M10 |
| T55 |
11.2 |
M12 |
| T60 |
13.2 |
M14 |
| T70 |
15.5 |
M16 |
| T80 |
17.6 |
M18 |
| T90 |
19.9 |
M20 |
| T100 |
22.1 |
M22 |
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ネジサイズ |
| サイズ |
S(ミリ) |
D |
| E4 |
3.8 |
M3 |
| E5 |
4.7 |
M4 |
| E6 |
5.7 |
M5 |
| E7 |
6.2 |
M6 |
| E8 |
7.5 |
M6/M7 |
| E10 |
9.4 |
M8 |
| E11 |
10.1 |
- |
| E12 |
11.1 |
M10 |
| E14 |
12.9 |
M12 |
| E16 |
14.7 |
M12 |
| E18 |
16.6 |
M14 |
| E20 |
18.4 |
M16 |
| E24 |
22.1 |
M18/M20 |
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| XZN(三重四角)ネジ |
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ネジサイズ |
| サイズ |
S(ミリ) |
D |
| M4 |
3.6 |
M4 |
| M5 |
4.7 |
M5 |
| M6 |
6.0 |
M6 |
| M8 |
7.1 |
M8 |
| M10 |
9.7 |
M10 |
| M12 |
11.4 |
M12 |
| M14 |
13.2 |
M14 |
| M16 |
15.8 |
M16 |
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