SFT 螺旋絲攻
SFT :
採用極優秀的高速鋼 HSSE 具有高韌性及耐磨耗性，對於盲孔之炭素鋼、合金鋼及非鐵金屬，其切屑如線圈狀連續排出。
This tap by premium grade high speed steel for rigidity and wear resistence, suitable for blind hole tapping of carbon steel, alloy steel, and nonferrous metals, whose chips are produced in continous coil form.
TIN-SFT :
具有較優異的耐磨耗性、抗溶著性，適用於低、中炭鋼及不鏽鋼之攻牙作業。
This tap for superior wear and welding resistance suitable for tapping in low-medium carbon steel and stainless steel.
DH-SFT :
對於較深之盲孔的攻牙作業容易產生切屑排除困難的損傷及內螺紋有咬痕的情況適用之。
This tap is suitable for tapping blind deep hole, the design reduces damage caused by chip packing and minimizes the problem of galling.
|
公制牙標稱規格 |
精度 |
形狀尺寸 Specification |
2級螺紋下孔徑(Ø) |
||||
|
A |
B |
C |
E |
F |
|||
|
M3 x 0.5 |
H2,H3 |
46 |
9 |
4 |
6 |
3.2 |
2.6 |
|
M4 x 0.7 |
H2,H3 |
52 |
12 |
5 |
7 |
4 |
3.4 |
|
M5 x 0.8 |
H2,H3 |
60 |
14.5 |
5.5 |
7 |
4.5 |
4.3 |
|
M6 x 1.0 |
H2,H3 |
62 |
17.5 |
6 |
7 |
4.5 |
5.1 |
|
M8 x 1.25 |
H2,H3 |
70 |
22 |
6.2 |
8 |
5 |
6.8 |
|
M10 x 1.5 |
H2,H3 |
75 |
24 |
7 |
8 |
5.5 |
8.6 |
|
M12 x 1.75 |
H2,H3 |
82 |
29 |
8.5 |
9 |
6.5 |
10.4 |
|
M14 x 2 |
H2,H3 |
88 |
30 |
10.5 |
11 |
8 |
12.2 |
|
M16 x 2 |
H3,H4 |
95 |
32 |
12.5 |
13 |
10 |
14.2 |
|
M18 x 2.5 |
H3,H4 |
100 |
37 |
14 |
14 |
11 |
15.7 |
|
M20 x 2.5 |
H3,H4 |
105 |
37 |
15 |
15 |
12 |
17.7 |
|
M22 x 2.5 |
H3,H4 |
115 |
38 |
17 |
16 |
13 |
19.7 |
|
M24 x 3 |
H3,H4 |
120 |
45 |
19 |
18 |
15 |
21.2 |
|
美制牙標稱規格 |
精度 |
形狀尺寸 Specification |
2B級螺紋下孔徑(Ø) |
||||
|
A |
B |
C |
E |
F |
|||
|
NO.5-40 UNC |
H2,H3 |
46 |
9 |
4 |
6 |
3.2 |
2.7 |
|
NO.6-32 UNC |
H2,H3 |
48 |
11 |
4 |
6 |
3.2 |
2.9 |
|
NO.8-32 UNC |
H2,H3 |
52 |
12 |
5 |
7 |
4 |
3.5 |
|
NO.10-24 UNC |
H2,H3 |
60 |
14.5 |
5.5 |
7 |
4.5 |
3.9 |
|
NO.12-24 UNC |
H2,H3 |
60 |
14.5 |
5.5 |
7 |
4.5 |
4.6 |
|
1/4-20 UNC |
H2,H3 |
62 |
17.5 |
6 |
7 |
4.5 |
5.3 |
|
5/16-18 UNC |
H2,H3 |
70 |
22 |
6.1 |
8 |
5 |
6.7 |
|
3/8-16 UNC |
H2,H3 |
75 |
24 |
7 |
8 |
5.5 |
8.2 |
|
7/16-14 UNC |
H2,H3 |
80 |
25 |
8 |
9 |
6 |
9.5 |
|
1/2-13 UNC |
H2,H3 |
85 |
29 |
9 |
10 |
7 |
11.0 |
|
9/16-12 UNC |
H3,H4 |
90 |
30 |
10.5 |
11 |
8 |
12.3 |
|
5/8-11 UNC |
H3,H4 |
95 |
32 |
12 |
12 |
9 |
13.8 |
|
3/4-10 UNC |
H3,H4 |
105 |
37 |
14 |
14 |
11 |
16.8 |
|
7/8-9 UNC |
H3,H4 |
115 |
38 |
17 |
16 |
13 |
19.6 |
|
1"-8 UNC |
H3,H4 |
125 |
45 |
20 |
18 |
15 |
22.5 |
註： 標準粗牙和標準細牙之形狀尺寸相同
The specification of standard coarse screw thread and standard fine screw thread are the same.