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管牙 螺絲攻


































































































































規格
PIPE TAPS
NPT
PT
NPS
PS
牙數
牙數
牙數

牙數
1/8"
27
28
27
28
1/4"
18
19
18
19
3/8"
18
19
18
19
1/2"
14
14
14
14
5/8"
14
14
14
14
3/4"
14
14
14
14
1"
11-1/2
11
11-1/2
11
1.1/4"
11-1/2
11
11-1/2
11
1.1/2"
11-1/2
11
11-1/2
11
2"
11-1/2
11
11-1/2
11

27 切削工具 60 螺絲攻