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產品項目 > 螺絲、螺帽、華司 > 螺絲 > 半丸頭內六角螺絲
產品項目
半丸頭內六角螺絲
半丸頭內六角螺絲
半丸頭內六角螺絲

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半圓頭螺絲除規格依據之規範有所不同其餘皆相同，應搭配對應規格的六角扳手，鎖緊固件時可將施力完全導到螺絲上，螺絲孔不易毀損。

螺紋皆是全牙，大多使用於工具機、機械設備、家具、自行車、汽車等產品的外觀處。

規格 M3 M4 M5 M6 M8 M10 M12 M16
牙距 P0.5 P0.7 P0.8 P1.0 P1.25 P1.5 P1.75 P2.0
6 ● ● 　 ● 　 　 　 　
8 ● ● ● ● ● 　 　 　
10 ● ● ● ● ● 　 　 　
12 ● ● ● ● ● 　 　 　
16 ● ● ● ● ● ● 　 　
20 ● ● ● ● ● ● ● 　
25 ● ● ● ● ● ● ● 　
30 ● ● ● ● ● ● ● ●
35 　 ● ● ● ● ● ● ●
40 　 ● ● ● ● ● ● ●
45 　 ● ● ● ● ● ● ●
50 　 ● ● ● ● ● ● ●
55 　 　 　 　 ● ● ● ●
60 　 　 　 ● ● ● ● ●
65 　 　 　 ● ● ● ● ●
70 　 　 　 ● ● ● ● ●
75 　 　 　 　 　 ● ● 　
80 　 　 　 ● ● ● ● ●
90 　 　 　 ● ● ● ● ●
100 　 　 　 ● ● ● ● ●

 

規格 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4
長度 20T 18T 16T 14T 13T 12T 11T 10T
1/4 ● 　 　 　 　 　 　 　
5/16 ● 　 　 　 　 　 　 　
3/8 ● ● 　 　 　 　 　 　
1/2 ● ● ● 　 　 　 　 　
5/8 ● ● ● 　 　 　 　 　
3/4 ● ● ● ● ● 　 　 　
1" ● ● ● ● ● 　 ● 　
1-1/4 ● ● ● ● ● 　 ● 　
1-1/2 ● ● ● ● ● 　 ● 　
1-3/4 ● ● ● ● ● 　 ● 　
2" ● ● ● ● ● 　 ● 　
2-1/4 　 ● ● 　 ● 　 ● 　
2-1/2 　 ● ● 　 ● 　 ● 　
2-3/4 　 　 ● 　 ● 　 ● 　
3" 　 　 ● 　 ● 　 ● 　
3-1/2 　 　 ● 　 ● 　 ● 　
4" 　 　 ● 　 ● 　 ● 　
4-1/2 　 　 　 　 ● 　 ● 　
5" 　 　 　 　 ● 　 ● 　
6" 　 　 　 　 ● 　 ● 　
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