A Tap Series, Spiral Tap, A-SFT (Part Numbers)

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Has stable chip extraction and can be used for various work materials in a wide range of cutting areas and machines. Mainly spiral taps with spiral shaped grooves used in the blind holes.

Part Number

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A-SFT-1/4-28UNF-STD

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Data to be displayed: 30; 45; 60

Part Number
A-SFT-1/4-28UNF-STD

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Screw Types	Nominal	Pitch, Number of Threading (mm)	Chamfer threads	Tool Material Type	L (mm)	Accuracy	Length under neck (mm)	Shank diameter (mm)	Number of Grooves	Thread Length (mm)	Shank Square Part (width) (mm)	Shank Square Part (length) (mm)	Oil filler cap	Tool No.
	20.12 €	1	Available	6 Days	Unified	1/4-28UNF	-	2.5P	Powder high-speed steel	62	OH2	29	6	2	10.2	4.5	7	NA	8327261

Basic information

Work material	Low-Carbon Steel (carbon alloy less than 0.25%) / Medium carbon steel (carbon content 0.25 to 0.45%) / High Carbon Steel (C with a content over 0.45%) / Alloy Steel (SCM) / Stainless Steel (JIS-SUS) / Tool Steel (Before SKD Hardening) / Steel casting (SC) / Ductile Cast Iron (FCD) / Copper (Cu) / Brass (Bs) / Brass cast iron (BsC) / Bronze (Pb) / Aluminum Rolled Material (AL) / Aluminum Alloy Casting (AC, ADC) / Magnesium Alloy (MC) / Zinc Alloy Casting (ZDC)	Tap Type	Spiral Tap	Hole type	For blind hole
Coating Y/N	Available	Coating Type	Other	Torsional Angle(°)	45
Protrusion	NA	Coating Details	V coated

This page is A Tap Series, Spiral Tap, A-SFT, part number A-SFT-1/4-28UNF-STD.
You can find the detail information about specifications and dimensions on part number A-SFT-1/4-28UNF-STD.

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Basic Attributes

Screw Types
- Meter
- Unified
Clear
Pitch, Number of Threading(mm)
0.25

0.3

0.35

0.4

0.45

0.5

0.6

0.7

0.75

0.8

1

1.25

1.5

1.75

2

2.5

3

3.5

4

4.5

5

5.5
Clear
Chamfer threads
1.5P

2.5P
Clear
Tool Material Type
- Powder high-speed steel
- Vanadium high-speed steel
Clear
L(mm)
34

36

40

42

44

46

48

52

55

60

62

65

70

72

75

80

82

85

88

90

95

100

105

115

120

140

150

160

170

180

200

220

225

250
Clear
Accuracy
OH1

OH1.5

OH2

OH2.5

OH3

OH3.5

OH4

OH5

OH6

OH8
Clear
Length under neck(mm)
10

11

12

13

17

19

20

21

24

25

29

33

37

38

41

48

52

55

58

63

66

79

88

92

95

97

100

103

104

112

115

118

122

128

130

137

155
Clear
Shank diameter(mm)
3

4

5

5.5

6

6.1

6.2

7

8

8.5

9

10

10.5

12

12.5

13

14

15

17

19

20

22

23

24

25

26

28

30

32

35

38

40

44
Clear
Number of Grooves
- 2
- 3
- 4
Clear
Thread Length(mm)
3.2

3.6

4

4.8

5.1

5.6

6

6.4

7

7.2

8

8.5

9

10.2

12

13

15

17

18

19

21

22

23

24

25

28

29

30

31

34

36

38

42

48

51

54

60

66
Clear
Shank Square Part (width)(mm)
2.5

3.2

4

4.5

5

5.5

6

6.5

7

8

9

10

11

12

13

15

17

19

21

23

26

29

32

35
Clear
Shank Square Part (length)(mm)
5

6

7

8

9

10

11

12

13

14

15

16

18

20

22

24

26

30

32

35

38
Clear
Oil filler cap
- Available
- NA
Clear
Type
- A-SFT
Clear
Nominal
1-8UNC

1 1/2-8UN

1 1/4-8UN

1 1/8-8UN

1/2-20UNF

1/2-13UNC

1 3/4-8UN

1 3/8-8UN

1/4-28UNF

1/4-20UNC

1 5/8-8UN

1 7/8-8UN

M1.4

M1.6

M1.7

M2

2-8UN

M2.2

M2.3

M2.5

M2.6

M3

3/4-16UNF

3/4-10UNC

3/8-24UNF

3/8-16UNC

M3.5

M4

№4-40UNC

M4.5

M5

№5-40UNC

5/8-18UNF

5/8-11UNC

5/16-24UNF

5/16-18UNC

M5.5

M6

№6-32UNC

M7

7/8-14UNF

7/8-9UNC

7/16-20UNF

7/16-14UNC

M8

№8-32UNC

M9

9/16-18UNF

9/16-12UNC

M10

№10-32UNF

№10-24UNC

M11

M12

M14

M15

M16

M17

M18

M20

M22

M24

M27

M30

M33

M36

M39

M42

M45

M48

M56
Clear

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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
A-SFT-1-3/4-8UN-STD
A-SFT-1-3/8-8UN-STD
A-SFT-1-5/8-8UN-STD
A-SFT-2-8UN-STD
A-SFT-3/4-10UNC-STD
A-SFT-3/4-16UNF-STD

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Screw Types	Nominal	Pitch, Number of Threading (mm)	Chamfer threads	Tool Material Type	L (mm)	Accuracy	Length under neck (mm)	Shank diameter (mm)	Number of Grooves	Thread Length (mm)	Shank Square Part (width) (mm)	Shank Square Part (length) (mm)	Oil filler cap	Tool No.
569.10 €	1	6 Days	Unified	1 3/4-8UN	-	2.5P	Vanadium high-speed steel	200	OH6	103	35	4	51	26	30	Available	8327370
302.70 €	1	6 Days	Unified	1 3/8-8UN	-	2.5P	Vanadium high-speed steel	200	OH5	115	26	4	38	21	24	Available	8327358
430.05 €	1	6 Days	Unified	1 5/8-8UN	-	2.5P	Vanadium high-speed steel	200	OH6	115	32	4	38	26	30	Available	8327367
856.12 €	1	6 Days	Unified	2-8UN	-	2.5P	Vanadium high-speed steel	225	OH6	122	40	4	51	32	35	Available	8327376
74.50 €	1	6 Days	Unified	3/4-10UNC	-	2.5P	Powder high-speed steel	105	OH4	58	14	4	31	11	14	NA	8327325
74.50 €	1	6 Days	Unified	3/4-16UNF	-	2.5P	Powder high-speed steel	105	OH3	58	14	4	19	11	14	NA	8327327