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HC-SP Whitworth Threads | Spiral Fluted Taps for High Carbon Steels | YAMAWA

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พร้อมส่ง
SKU
YAM-HC-SP Whitworth Threads

Product Features

  • The HC+SP/HC-SP is a spiral flute tap for high carbon steel such as S55C and is suitable for tapping of medium and high hardness materials up  to 30 HRC.

Tapping conditions

    The HC+SP/HC-SP is best suited for tapping of high carbon steel, alloy tool steel and refined steel.

Workpiece Material Cutting Speed(m/min)
S45C〜
High carbon steel
10〜20
SKC、SKD
Alloy tool steel
5〜10
Thermal refining steel
25〜35HRC
5〜10

 

Product chart (tensile strength)

HC-SP Whitworth Threads | Spiral Fluted Taps for High Carbon Steels | YAMAWA
HC-SP Whitworth Threads | Spiral Fluted Taps for High Carbon Steels | YAMAWA

pecification

 

 

 

Tapping Speeds depending on Materials

 

 

 

  • Product Name and Size.
HC+SP ~M6
HC-SP M8~, all W

 

 

 

Segment:1C

Size

Class

Code

Chamfer

L

(mm)

(mm)

n

(mm)

s

(mm)

Ds

(mm)

K

(mm)

k

(mm)

No. of

flutes

TYPE

For Whitworth Threads

1/4W20

P2

SCMQW04N

2.5P

62

15

26

33

6

4.5

7

3

1

5/16W18

P2

SCMQW05O

2.5P

70

19

-

36

6.2

5

8

3

2

3/8W16

P2

SCMQW06P

2.5P

75

23

-

38

7

5.5

8

3

2

1/2W12

P3

SCMRW08S

2.5P

88

26

-

45

10.5

8

11

3

2

5/8W11

P3

SCMRW10U

2.5P

95

26

-

48

12.5

10

13

3

2

3/4W10

P3

SCMRW12V

2.5P

105

33

-

50

15

12

15

4

4

7/8W9

P3

SCMRW14W

2.5P

115

33

-

55

17

13

16

4

4

1 W8

P3

SCMRW16X

2.5P

125

39

-

58

19

15

18

4

4

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