Spiral Taps（Screw size (Nominal)：1/4-28UNF）

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A Tap Series, Spiral Tap, A-SFT

OSG

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.

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Starting from^∗ ：	20.12 €
	Special price
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

Spiral Tap for Stainless Steel SU+SP / SU-SP

YAMAWA MFG

Spiral tap for blind hole machining with extremely viscous or work-hardened work material.
[Features]
· For blind hole machining with extremely viscous or work-hardened work materials such as chrome steel, molybdenum steel, and stainless steel.
· Optimal design of the screw part reduces the machining burden on each blade bite, reducing the cutting resistance and increasing tool life.
· Stable scrap is ejected and a good finish is realized.
· Capable of machining both synchronously and asynchronously.
· Machining speed of 10 m/min or less is recommended.
[Applications]
Optimal for machining extremely viscous or work-hardened work material.

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Starting from^∗ ：	18.81 €
	Special price
Min. Shipping Days ：	8 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days
Screw Types
Screw size (Nominal)
Pitch (P), Number of Threading(mm)
Chamfer threads (Lcf)
Tool Material Type
work material
Tap Type
Hole type
Coating Y/N
Coating Type
Overall Length (L)(mm)

	Select to compare Promotional pricing	Select to compare Promotional pricing
Brand	OSG	YAMAWA MFG
Product Series	A Tap Series, Spiral Tap, A-SFT	Spiral Tap for Stainless Steel SU+SP / SU-SP
Starting from^∗	20.12 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	18.81 € Special price *Unit price with basic configuration Promotional pricing Volume Discount
Min. Shipping Days	6 Days	8 Days
Screw Types	Unified	Unified
Screw size (Nominal)	1/4-28UNF	1/4-28UNF
Pitch (P), Number of Threading(mm)	-	-
Chamfer threads (Lcf)	2.5P	2.5P
Tool Material Type	Powder high-speed steel	High-speed steel
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)[○]	High Carbon Steel (C with a content over 0.45%)[○] / Alloy Steel (SCM)[○] / Stainless Steel (JIS-SUS)[○]
Tap Type	Spiral Tap	Spiral Tap
Hole type	For blind hole	For blind hole
Coating Y/N	Available	N/A
Coating Type	Other	-
Overall Length (L)(mm)	62	62

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Screw Types
- Meter
- Unified
- Whitworth
- Sewing Machine
- Parallel for Pipes
- Trapezoid
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Screw size (Nominal)
No.10-32UNF

No.10-24UNC

No.2-56UNC

No.3-48UNC

No.4-48UNF

No.4-40UNC

No.5-44UNF

No.5-40UNC

No.6-40UNF

No.6-32UNC

No.8-36UNF

No.8-32UNC

1UN

1UNS

G 1"

M1

PF 1

UNC 1"

UNF 1"

W1

1'-12UNF

1-8UNC

1'-8UNC

1"1/2UN

W1"1/2

1 1/2-8UN

1"1/4UN

W1"1/4

1 1/4-8UN

1"1/8UN

W1"1/8

1 1/8-8UN

1/2UN

G 1/2

PF 1/2

UNC 1/2

UNF 1/2

UNJF 1/2

W1/2

1/2-20UNF

1/2-13UNC

1/2W12

1"3/4UN

1 3/4-8UN

1"3/8UN

W1"3/8

1 3/8-8UN

1/4UN

G 1/4

PF 1/4

SM1/4

UNC 1/4

UNF 1/4

UNJF 1/4

W1/4

1/4-28UNF

1/4-20UNC

1/4W20

1 5/8-8UN

1 7/8-8UN

1'W8

G 1/8

PF 1/8

SM1/8

W1/8

M1.1

G 1.1/2

G 1.1/4

G 1.1/8

M1.2

M1.4

M1.6

M1.7

M1.8

M2

UNC 2

2-8UN

M2.2

M2.3

M2.5

M2.6

M3

3/4UN

G 3/4

PF 3/4

UNC 3/4

UNF 3/4

W3/4

3/4-16UNF

3/4-10UNC

3/4W10

3/8UN

G 3/8

PF 3/8

UNC 3/8

UNF 3/8

UNJF 3/8

W3/8

3/8-24UNF

3/8-16UNC

3/8W16

M3 - M10

M3 - M12

SM3/16

W3/16

3/16W24

SM3/32

M3.5

M4

MF4

No4UN

UNC 4

UNF 4

№4-40UNC

M4.5

5M

M5

MF5

No5UN

UNC 5

№5-40UNC

5/8UN

G 5/8

UNC 5/8

UNF 5/8

W5/8

5/8-18UNF

5/8-11UNC

5/8W11

M5 - M12

5/16UN

UNC 5/16

UNF 5/16

UNJF 5/16

W5/16

5/16-24UNF

5/16-18UNC

5/16W18

5.5M

M5.5

M6

MF6

No6UN

UNC 6

UNF 6

UNJC 6

№6-32UNC

M7

7 execution M3 - M12

7/8UN

G 7/8

UNC 7/8

UNF 7/8

W7/8

7/8-14UNF

7/8-9UNC

7/8W9

7/16UN

UNC 7/16

UNF 7/16

UNJF 7/16

W7/16

7/16-20UNF

7/16-14UNC

7/16W14

M8

MF8

No8UN

Tr8

UNC 8

UNF 8

UNJC 8

№8-32UNC

M9

9/16UN

UNC 9/16

UNF 9/16

9/16-18UNF

9/16-12UNC

9/16W12

SM9/32

SM9/64

M10

MF10

No10UN

Tr10

Tr 10

UNC10

UNC 10

UNF 10

UNJF 10

№10-32UNF

№10-24UNC

M11

SM11/64

M12

MF12

Mf12

No12UN

Tr12

Tr 12

UNC 12

UNF 12

M12 x 1.5

M13

M14

MF14

Tr 14

M15

SM15/64

M16

MF16

Mf16

Tr16

Tr 16

M16 x 1.5

M17

M18

MF18

Tr18

Tr 18

M19

M20

MF20

Mf20

Tr 20

M20 x 1.5

M22

MF22

Tr 22

M23

M24

MF24

Tr 24

M25

MF25

Mf25

Tr 25

M25 x 1.5

M26

MF26

Tr 26

M27

MF27

M28

MF28

Tr 28

M30

MF30

Tr 30

M32

Mf32

M33

M35

M36

M39

M42

M45

M48

M52

M56

M64
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Pitch (P), Number of Threading(mm)
0.25

0.3

0.35

0.4

0.45

0.5

0.6

0.7

0.75

0.8

0.9

1

1.25

1.5

1.75

2

2.5

3

3.5

4

4.5

5

5.5

6

7

8

9

10

11

12

13

14

16

18

19

20

24

28

32

36

40

44

48

56
Clear

Chamfer threads (Lcf)
1.5

1.5 P

1.5P

2P

2.5

2.5 P

2.5P

3P

5P

5.5P

7P

22P

22.5P

23P

24P

24.5P

25P

26P

27P

28P

30P
Drawing

Clear

Tool Material Type
- High-speed steel
- Cobalt HSS
- Powder high-speed steel
- Carbide
- Alloy HSS
- Vanadium High-Speed Steel
Details

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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)
- Quenched and tempered steel (25 to 35 HRC)
- Quenched and tempered steel (35 to 45 HRC)
- Tool Steel (Before SKD Hardening)
- Steel casting (SC)
- Cast Iron (FC)
- 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)
- Titanium Alloy (Ti-6Al-4V, etc)
- Nickel-based alloy (Inconel, etc.)
- Thermosetting plastic (bakelite, phenol, etc.)
- Thermoplastic plastic (vinyl chloride, nylon, etc.)
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Tap Type
- Spiral Tap
- Hand Tap
Clear

Hole type
- For through hole
- For blind hole
Clear

Coating Y/N
- Available
- N/A
Clear

Coating Type
- TiCN
- TiN
- CrN
- Non-Coated
- Nitriding Treatment
- Other
Details

Clear

Overall Length (L)(mm)
16

30

32

33

34

35

36

39

40

41

42

44

44.5

45

46

47.62

48

49.21

50

50.8

51

52

53

53.98

55

55.28

55.64

55.92

56

58

59

60

60.32

62

62.52

62.65

63

63.5

65

66

67

69.06

69.42

69.71

70

72

74.61

75

79.03

79.31

80

80.17

82

85

85.72

87

88

89

89.12

89.18

90

91.28

95

96

96.84

98.97

99.21

100

102

105

108

109

109.65

110

112

113.5

115

118

119

120

125

130

130.175

130.2

135

140

145

150

155

160

165

170

175

180

185

190

195

200

205

220

224

225

230

250

260

270

280

290

300

315
Drawing

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Brand

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