• スパイラルフルートタップ

スパイラルフルートタップ


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.

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公制牙標稱規格
Metric thread nominal size

精度
Tap limit

形狀尺寸 Specification

2級螺紋下孔徑(Ø)
Class 2 drill hole dia

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
Unified thread nominal size

精度
Tap limit

形狀尺寸 Specification

2B級螺紋下孔徑(Ø)
Class 2B drill hole dia

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.