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High Helical Reamer HHHR (HHHR4.41)

EIKOSHA

High-speed steel high-torsion spiral reamer.
[Features]
· Excellent in surface roughness and cutting powder processing thanks to the adoption of 60° torsion.
· Reduces cutting resistance.
[Applications]
· Convenient for general purpose finishing.

(i)Caution

Some products are scheduled to be discontinued from October 2021. Depend on stock status, the end time will be changed. Please check the quotation and order screen for details.

Part Number

Configured Part Number is shown.

HHHR4.41

Product Specifications
Part Numbers
Catalog

: 30; 45; 60

Part Number
HHHR4.41

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Tool Diameter (mm)	Shank Type	Groove Length (mm)	blade shape	Diameter tolerance (mm)	Number of flutes (Sheets)	Full length L (mm)	Bite length T (mm)	Neck length ℓ2 (mm)	Tool Diameter (inch)	shank diameter	Shank diameter tolerance	Tool Material Type	Center
	SGD 42.26	1 Piece(s)		4 Day(s) or more	4.41	straight shank	25	Right blade left torsion	0～+0.005	2	90	7.6	-	-	4.41	-0.012~0	High-speed steel	60° Concave

Basic Information

work material	Quenched and tempered steel / Stainless Steel / Cast Iron / Aluminum / Copper / Die Steel / Heat-resistant alloy / Alloy Steel	Coating Y/N	NA	Groove Shape	Helical
Base Blade Y/N	NA	Torsional Angle	60°

Please check the type/dimensions/specifications of the part HHHR4.41 in the High Helical Reamer HHHR series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Neck length ℓ2(mm)
20

23

29

35

40

50

55

60

65

70

80
Clear
Tool Diameter(inch)
1/2

1/4

3/8
Clear
type
- HHHR
Clear
Tool Diameter(mm)
2

2.01

2.02

2.03

2.04

2.05

2.06

2.07

2.08

2.09

2.1

2.11

2.12

2.13

2.14

2.15

2.16

2.17

2.18

2.19

2.2

2.21

2.22

2.23

2.24

2.25

2.26

2.27

2.28

2.29

2.3

2.31

2.32

2.33

2.34

2.35

2.36

2.37

2.38

2.39

2.4

2.41

2.42

2.43

2.44

2.45

2.46

2.47

2.48

2.49

2.5

2.51

2.52

2.53

2.54

2.55

2.56

2.57

2.58

2.59

2.6

2.61

2.62

2.63

2.64

2.65

2.66

2.67

2.68

2.69

2.7

2.71

2.72

2.73

2.74

2.75

2.76

2.77

2.78

2.79

2.8

2.81

2.82

2.83

2.84

2.85

2.86

2.87

2.88

2.89

2.9

2.91

2.92

2.93

2.94

2.95

2.96

2.97

2.98

2.99

3

3.01

3.02

3.03

3.04

3.05

3.06

3.07

3.08

3.09

3.1

3.11

3.12

3.13

3.14

3.15

3.16

3.17

3.18

3.19

3.2

3.21

3.22

3.23

3.24

3.25

3.26

3.27

3.28

3.29

3.3

3.31

3.32

3.33

3.34

3.35

3.36

3.37

3.38

3.39

3.4

3.41

3.42

3.43

3.44

3.45

3.46

3.47

3.48

3.49

3.5

3.51

3.52

3.53

3.54

3.55

3.56

3.57

3.58

3.59

3.6

3.61

3.62

3.63

3.64

3.65

3.66

3.67

3.68

3.69

3.7

3.71

3.72

3.73

3.74

3.75

3.76

3.77

3.78

3.79

3.8

3.81

3.82

3.83

3.84

3.85

3.86

3.87

3.88

3.89

3.9

3.91

3.92

3.93

3.94

3.95

3.96

3.97

3.98

3.99

4

4.01

4.02

4.03

4.04

4.05

4.06

4.07

4.08

4.09

4.1

4.11

4.12

4.13

4.14

4.15

4.16

4.17

4.18

4.19

4.2

4.21

4.22

4.23

4.24

4.25

4.26

4.27

4.28

4.29

4.3

4.31

4.32

4.33

4.34

4.35

4.36

4.37

4.38

4.39

4.4

4.41

4.42

4.43

4.44

4.45

4.46

4.47

4.48

4.49

4.5

4.51

4.52

4.53

4.54

4.55

4.56

4.57

4.58

4.59

4.6

4.61

4.62

4.63

4.64

4.65

4.66

4.67

4.68

4.69

4.7

4.71

4.72

4.73

4.74

4.75

4.76

4.77

4.78

4.79

4.8

4.81

4.82

4.83

4.84

4.85

4.86

4.87

4.88

4.89

4.9

4.91

4.92

4.93

4.94

4.95

4.96

4.97

4.98

4.99

5

5.01

5.02

5.03

5.04

5.05

5.06

5.07

5.08

5.09

5.1

5.11

5.12

5.13

5.14

5.15

5.16

5.17

5.18

5.19

5.2

5.21

5.22

5.23

5.24

5.25

5.26

5.27

5.28

5.29

5.3

5.31

5.32

5.33

5.34

5.35

5.36

5.37

5.38

5.39

5.4

5.41

5.42

5.43

5.44

5.45

5.46

5.47

5.48

5.49

5.5

5.51

5.52

5.53

5.54

5.55

5.56

5.57

5.58

5.59

5.6

5.61

5.62

5.63

5.64

5.65

5.66

5.67

5.68

5.69

5.7

5.71

5.72

5.73

5.74

5.75

5.76

5.77

5.78

5.79

5.8

5.81

5.82

5.83

5.84

5.85

5.86

5.87

5.88

5.89

5.9

5.91

5.92

5.93

5.94

5.95

5.96

5.97

5.98

5.99

6

6.01

6.02

6.03

6.04

6.05

6.06

6.07

6.08

6.09

6.1

6.11

6.12

6.13

6.14

6.15

6.16

6.17

6.18

6.19

6.2

6.21

6.22

6.23

6.24

6.25

6.26

6.27

6.28

6.29

6.3

6.31

6.32

6.33

6.34

6.35

6.36

6.37

6.38

6.39

6.4

6.41

6.42

6.43

6.44

6.45

6.46

6.47

6.48

6.49

6.5

6.51

6.52

6.53

6.54

6.55

6.56

6.57

6.58

6.59

6.6

6.61

6.62

6.63

6.64

6.65

6.66

6.67

6.68

6.69

6.7

6.71

6.72

6.73

6.74

6.75

6.76

6.77

6.78

6.79

6.8

6.81

6.82

6.83

6.84

6.85

6.86

6.87

6.88

6.89

6.9

6.91

6.92

6.93

6.94

6.95

6.96

6.97

6.98

6.99

7

7.01

7.02

7.03

7.04

7.05

7.06

7.07

7.08

7.09

7.1

7.11

7.12

7.13

7.14

7.15

7.16

7.17

7.18

7.19

7.2

7.21

7.22

7.23

7.24

7.25

7.26

7.27

7.28

7.29

7.3

7.31

7.32

7.33

7.34

7.35

7.36

7.37

7.38

7.39

7.4

7.41

7.42

7.43

7.44

7.45

7.46

7.47

7.48

7.49

7.5

7.51

7.52

7.53

7.54

7.55

7.56

7.57

7.58

7.59

7.6

7.61

7.62

7.63

7.64

7.65

7.66

7.67

7.68

7.69

7.7

7.71

7.72

7.73

7.74

7.75

7.76

7.77

7.78

7.79

7.8

7.81

7.82

7.83

7.84

7.85

7.86

7.87

7.88

7.89

7.9

7.91

7.92

7.93

7.94

7.95

7.96

7.97

7.98

7.99

8

8.01

8.02

8.03

8.04

8.05

8.06

8.07

8.08

8.09

8.1

8.11

8.12

8.13

8.14

8.15

8.16

8.17

8.18

8.19

8.2

8.21

8.22

8.23

8.24

8.25

8.26

8.27

8.28

8.29

8.3

8.31

8.32

8.33

8.34

8.35

8.36

8.37

8.38

8.39

8.4

8.41

8.42

8.43

8.44

8.45

8.46

8.47

8.48

8.49

8.5

8.51

8.52

8.53

8.54

8.55

8.56

8.57

8.58

8.59

8.6

8.61

8.62

8.63

8.64

8.65

8.66

8.67

8.68

8.69

8.7

8.71

8.72

8.73

8.74

8.75

8.76

8.77

8.78

8.79

8.8

8.81

8.82

8.83

8.84

8.85

8.86

8.87

8.88

8.89

8.9

8.91

8.92

8.93

8.94

8.95

8.96

8.97

8.98

8.99

9

9.01

9.02

9.03

9.04

9.05

9.06

9.07

9.08

9.09

9.1

9.11

9.12

9.13

9.14

9.15

9.16

9.17

9.18

9.19

9.2

9.21

9.22

9.23

9.24

9.25

9.26

9.27

9.28

9.29

9.3

9.31

9.32

9.33

9.34

9.35

9.36

9.37

9.38

9.39

9.4

9.41

9.42

9.43

9.44

9.45

9.46

9.47

9.48

9.49

9.5

9.51

9.52

9.53

9.54

9.55

9.56

9.57

9.58

9.59

9.6

9.61

9.62

9.63

9.64

9.65

9.66

9.67

9.68

9.69

9.7

9.71

9.72

9.73

9.74

9.75

9.76

9.77

9.78

9.79

9.8

9.81

9.82

9.83

9.84

9.85

9.86

9.87

9.88

9.89

9.9

9.91

9.92

9.93

9.94

9.95

9.96

9.97

9.98

9.99

10

10.01

10.02

10.03

10.04

10.05

10.06

10.07

10.08

10.09

10.1

10.11

10.12

10.13

10.14

10.15

10.16

10.17

10.18

10.19

10.2

10.21

10.22

10.23

10.24

10.25

10.26

10.27

10.28

10.29

10.3

10.31

10.32

10.33

10.34

10.35

10.36

10.37

10.38

10.39

10.4

10.41

10.42

10.43

10.44

10.45

10.46

10.47

10.48

10.49

10.5

10.51

10.52

10.53

10.54

10.55

10.56

10.57

10.58

10.59

10.6

10.61

10.62

10.63

10.64

10.65

10.66

10.67

10.68

10.69

10.7

10.71

10.72

10.73

10.74

10.75

10.76

10.77

10.78

10.79

10.8

10.81

10.82

10.83

10.84

10.85

10.86

10.87

10.88

10.89

10.9

10.91

10.92

10.93

10.94

10.95

10.96

10.97

10.98

10.99

11

11.01

11.02

11.03

11.04

11.05

11.06

11.07

11.08

11.09

11.1

11.11

11.12

11.13

11.14

11.15

11.16

11.17

11.18

11.19

11.2

11.21

11.22

11.23

11.24

11.25

11.26

11.27

11.28

11.29

11.3

11.31

11.32

11.33

11.34

11.35

11.36

11.37

11.38

11.39

11.4

11.41

11.42

11.43

11.44

11.45

11.46

11.47

11.48

11.49

11.5

11.51

11.52

11.53

11.54

11.55

11.56

11.57

11.58

11.59

11.6

11.61

11.62

11.63

11.64

11.65

11.66

11.67

11.68

11.69

11.7

11.71

11.72

11.73

11.74

11.75

11.76

11.77

11.78

11.79

11.8

11.81

11.82

11.83

11.84

11.85

11.86

11.87

11.88

11.89

11.9

11.91

11.92

11.93

11.94

11.95

11.96

11.97

11.98

11.99

12

12.01

12.02

12.03

12.04

12.05

12.06

12.07

12.08

12.09

12.1

12.11

12.12

12.13

12.14

12.15

12.16

12.17

12.18

12.19

12.2

12.21

12.22

12.23

12.24

12.25

12.26

12.27

12.28

12.29

12.3

12.31

12.32

12.33

12.34

12.35

12.36

12.37

12.38

12.39

12.4

12.41

12.42

12.43

12.44

12.45

12.46

12.47

12.48

12.49

12.5

12.51

12.52

12.53

12.54

12.55

12.56

12.57

12.58

12.59

12.6

12.61

12.62

12.63

12.64

12.65

12.66

12.67

12.68

12.69

12.7

12.71

12.72

12.73

12.74

12.75

12.76

12.77

12.78

12.79

12.8

12.81

12.82

12.83

12.84

12.85

12.86

12.87

12.88

12.89

12.9

12.91

12.92

12.93

12.94

12.95

12.96

12.97

12.98

12.99

13

13.01

13.02

13.03

13.04

13.05

13.06

13.07

13.08

13.09

13.1

13.11

13.12

13.13

13.14

13.15

13.16

13.17

13.18

13.19

13.2

13.21

13.22

13.23

13.24

13.25

13.26

13.27

13.28

13.29

13.3

13.31

13.32

13.33

13.34

13.35

13.36

13.37

13.38

13.39

13.4

13.41

13.42

13.43

13.44

13.45

13.46

13.47

13.48

13.49

13.5

13.51

13.52

13.53

13.54

13.55

13.56

13.57

13.58

13.59

13.6

13.61

13.62

13.63

13.64

13.65

13.66

13.67

13.68

13.69

13.7

13.71

13.72

13.73

13.74

13.75

13.76

13.77

13.78

13.79

13.8

13.81

13.82

13.83

13.84

13.85

13.86

13.87

13.88

13.89

13.9

13.91

13.92

13.93

13.94

13.95

13.96

13.97

13.98

13.99

14

14.01

14.02

14.03

14.04

14.05

14.1

14.2

14.3

14.4

14.5

14.6

14.7

14.8

14.9

14.95

14.96

14.97

14.98

14.99

15

15.01

15.02

15.03

15.04

15.05

15.1

15.2

15.3

15.4

15.5

15.6

15.7

15.8

15.9

15.95

15.96

15.97

15.98

15.99

16

16.01

16.02

16.03

16.04

16.05

16.1

16.2

16.3

16.4

16.5

16.6

16.7

16.8

16.9

16.95

16.96

16.97

16.98

16.99

17

17.01

17.02

17.03

17.04

17.05

17.1

17.2

17.3

17.4

17.5

17.6

17.7

17.8

17.9

17.95

17.96

17.97

17.98

17.99

18

18.01

18.02

18.03

18.04

18.05

18.1

18.2

18.3

18.4

18.5

18.6

18.7

18.8

18.9

18.95

18.96

18.97

18.98

18.99

19

19.01

19.02

19.03

19.04

19.05

19.1

19.2

19.3

19.4

19.5

19.6

19.7

19.8

19.9

19.95

19.96

19.97

19.98

19.99

20

20.01

20.02

20.04

20.05
Clear
Shank Type
- End Mill Shank
- straight shank
Clear
Groove Length(mm)
15

22

24

25

30

35

40

45

50

55
Clear
blade shape
- Right Blade Left Torsion
- Right blade left torsion
Clear
Diameter tolerance(mm)
- 0～+0.005
- +0.001～+0.005
- +0.002～+0.006
- +0.003～+0.007
- +0.004～+0.008
Clear
Number of flutes(Sheets)
2

3

4
Clear
Full length L(mm)
60

70

80

90

100

110

125

135

150

155

160

165

170

180

185

190
Clear
Bite length T(mm)
5.7

6.55

7.6

9.5

11.5
Clear

Days to Ship

All

4 Day(s) or Less

6 Day(s) or Less

8 Day(s) or Less
Clear

Specify Alterations

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

Similar Part Numbers

Part Number
HHHR10.01
HHHR10.02
HHHR10.03
HHHR4.42
HHHR4.43
HHHR4.44

Standard Unit Price	Minimum order quantity	Days to Ship	Tool Diameter (mm)	Shank Type	Groove Length (mm)	blade shape	Diameter tolerance (mm)	Number of flutes (Sheets)	Full length L (mm)	Bite length T (mm)	Neck length ℓ2 (mm)	Tool Diameter (inch)	shank diameter	Shank diameter tolerance	Tool Material Type	Center
SGD 61.79	1 Piece(s)	4 Day(s) or more	10.01	straight shank	40	Right blade left torsion	0～+0.005	3	150	9.5	-	-	10.01	-0.018～0	High-speed steel	60° Concave
SGD 61.79	1 Piece(s)	4 Day(s) or more	10.02	straight shank	40	Right blade left torsion	0～+0.005	3	150	9.5	-	-	10.02	-0.018～0	High-speed steel	60° Concave
SGD 61.79	1 Piece(s)	4 Day(s) or more	10.03	straight shank	40	Right blade left torsion	0～+0.005	3	150	9.5	-	-	10.03	-0.018～0	High-speed steel	60° Concave
SGD 42.26	1 Piece(s)	4 Day(s) or more	4.42	straight shank	25	Right blade left torsion	0～+0.005	2	90	7.6	-	-	4.42	-0.012~0	High-speed steel	60° Concave
SGD 42.26	1 Piece(s)	4 Day(s) or more	4.43	straight shank	25	Right blade left torsion	0～+0.005	2	90	7.6	-	-	4.43	-0.012~0	High-speed steel	60° Concave
SGD 42.26	1 Piece(s)	4 Day(s) or more	4.44	straight shank	25	Right blade left torsion	0～+0.005	2	90	7.6	-	-	4.44	-0.012~0	High-speed steel	60° Concave

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High Helical Reamer HHHR (HHHR4.41)

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