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YAMAWA SU-SP (For Whitworth Threads)

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YAMAWA SU-SP (For Whitworth Threads)

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Suitable for tapping stainless steelsm chrome steels, chrome molybdenum steels and ductile materials with great tendency to work harden.

Threads: For Whitworth Threads
Class: Old JIS Class 2
Flutes: Spiral Fluted Taps (45º)
Tolerance Class: YAMAWA  P Class
Chamfer Length: 2.5 Pitches
Surface Treatment: Oxide
 

Code No.

Nominal Size

Basic Major Dia

Class

𝐋

𝑙

𝑙1

𝑙2

𝑑

𝑘

𝑙k

Flutes

Type

SUQW03M

3/16 W24

4.762

P2

60

16

25

-

5.5

4.5

7

3

2

SUQW04N

1/4 W20

6.350

P2

62

19

30

-

6

4.5

7

3

2

SUQW05O

5/16 W16

7.938

P2

70

22

-

31

6.1

5

8

3

3

SUQW06P

3/8  W16 

9.525

P2

75

24

-

30

7

5.5

8

3

3

SURW07Q

7/16 W14

11.112

P3

80

25

-

32

8

6

9

3

3

SURW08S

1/2 W12

12.700

P3

85

29

-

32

9

7

10

3

3

SURW09S

9/16 W12

14.288

P3

90

30

-

37

10.5

8

11

3

3

SURW10U

5/8   W11

15.875

P3

95

32

-

38

12

9

12

3

3

SURW12V

3/4   W10

19.050

P3

105

37

-

41

14

11

14

4

3

SURW14W

7/8  W 9

22.225

P3

115

38

-

45

17

13

16

4

3

SURW16X

1     W 8

25.400

P3

125

45

-

50

20

15

18

4

3




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