BIG KAISER Holding Tools for I.D. Tuning

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EWN Boring Head Set (For Finishing / Insert Holder Type)

BIG KAISER

[Specifications]
・Applicable Tip Shape: T (Triangle)
・Application: Internal Diameter
・Compatible Tip: TP08, TC11
・Lubrication Hole Y/N: Available

[Features]
・The EWN single cutter boring tool program for fine boring covers a range of Ø 20-203 mm with only 7 fine boring heads
・Due to the optimized balance over the whole adjustment range, cutting speeds up to 1200 m/min are permitted

Starting from^∗ ：	684.14 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

EWN Boring Head Set (For Finishing / Round Bit Type)

BIG KAISER

[Specifications]
・Applicable Tip Shape: T (Triangle)
・Application: Internal Diameter
・Minimum Machining Diameter: 1
・L(mm): 28.5, 36, 45
・Lubrication Hole Y/N: Available

[Features]
・Fine boring head in integral, modular, and screw-on execution for the precise machining of bores

Starting from^∗ ：	440.00 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Insert Holder For EWN Boring Head Replacement

BIG KAISER

[Features]
Combining the head and insert holder makes it possible to secure a cutting chip pocket.
Designed for improved cutting chip discharge.
For EWN head

Volume Discount

Starting from^∗ ：	65.54 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

EWB Boring Head (High-Speed Finishing / Automatic Balance Compensation Mechanism Built-In)

BIG KAISER

[Features]
· With excellent dynamic balance, it achieves high-speed processing and stable precision.
· Automatic balance compensation.
· Accurate φ0.01 mm unit scale ultra-precision head.

Starting from^∗ ：	1,145.00 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration

EWB Round Bit Boring Head (High-Speed Finishing / Manual Balance Adjustment Mechanism Built-In)

BIG KAISER

[Features]
· The internal weight can be adjusted manually by turning the balance ring.
· Manual balance adjustment mechanism. 5 μm/φ scale precision diameter adjustment mechanism (EWB2-50 only).

Starting from^∗ ：	1,575.00 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration

SW Boring Head (Rough Highly Rigid Type)

BIG KAISER

[Features] They can be used for BBT/BT shafts with double contact. [Features] They are a high rigidity type for roughing and can also be used for machining flat bearing surfaces.

Starting from^∗ ：	327.00 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

General Purpose Angle Bit Holder 180° Multi Type

BIG KAISER

[Features]
· Installing 3 bits enables reducing ATC time.

Starting from^∗ ：	529.00 €
Min. Shipping Days ：	23 Days

*Unit price with basic configuration

BBT / BT Shank CK Boring System MW Boring Head (For Roughing)

BIG KAISER

[Features]
· High efficiency machining with 2 blade small diameter rough boring.
· Uses general purpose ø20 shank.

Starting from^∗ ：	161.64 €
Min. Shipping Days ：	10 Days

*Unit price with basic configuration

Insert Holder For CK Boring System Clearance Machining

BIG KAISER

[Features]
· Insert holder which can perform boring and grooving machining (clearance machining).

Starting from^∗ ：	97.38 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Applicable Tip Shape
Minimum Machining Diameter
Application
Cutting Direction
Clamp Shape
Overall Length L1
Clearance angle
Shank diameter
Protrusion length (L/D)
Lubrication Hole Y/N


Brand	BIG KAISER	BIG KAISER	BIG KAISER	BIG KAISER	BIG KAISER	BIG KAISER	BIG KAISER	BIG KAISER	BIG KAISER
Product Series	EWN Boring Head Set (For Finishing / Insert Holder Type)	EWN Boring Head Set (For Finishing / Round Bit Type)	Insert Holder For EWN Boring Head Replacement	EWB Boring Head (High-Speed Finishing / Automatic Balance Compensation Mechanism Built-In)	EWB Round Bit Boring Head (High-Speed Finishing / Manual Balance Adjustment Mechanism Built-In)	SW Boring Head (Rough Highly Rigid Type)	General Purpose Angle Bit Holder 180° Multi Type	BBT / BT Shank CK Boring System MW Boring Head (For Roughing)	Insert Holder For CK Boring System Clearance Machining
Starting from^∗	684.14 € *Unit price with basic configuration	440.00 € *Unit price with basic configuration	65.54 € *Unit price with basic configuration Volume Discount	1,145.00 € *Unit price with basic configuration	1,575.00 € *Unit price with basic configuration	327.00 € *Unit price with basic configuration	529.00 € *Unit price with basic configuration	161.64 € *Unit price with basic configuration	97.38 € *Unit price with basic configuration
Min. Shipping Days ：	5 Days	7 Days	5 Days	9 Days	9 Days	7 Days	23 Days	10 Days	9 Days
Applicable Tip Shape	T (Triangle)	-	T (Triangle)	T (Triangle)	T (Triangle)	-	-	-	-
Minimum Machining Diameter	20 ～ 100	1	-	32 ～ 85	1	20 ～ 148	-	-	-
Application	Internal Diameter	Internal Diameter	Internal Diameter	Internal Diameter	Internal Diameter	Internal Diameter	Internal Diameter	Internal Diameter	Internal Diameter
Cutting Direction	-	-	-	-	-	-	Right-hand / Left-hand	-	-
Clamp Shape	-	-	-	-	-	-	-	-	-
Overall Length L1	-	-	-	-	-	-	-	-	-
Clearance angle	-	-	-	-	-	-	-	-	-
Shank diameter	-	-	-	-	50 ～ 63.5	-	-	ø20 mm	-
Protrusion length (L/D)	-	-	-	-	-	-	-	-	-
Lubrication Hole Y/N	Available	Available	-	Available	Available	Available	-	-	-

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Narrow search by specifying spec./dim.

Applicable Tip Shape
- C (80° Diamond-Shape)
- D (55° Diamond-Shape)
- V (35° Diamond-Shaped)
- W (Hexagonal Type)
- T (Triangle)
- S (Rectangular)
- R (Circular)
- Other
Images

Clear

Minimum Machining Diameter
0.3

0.5

0.6

0.9

1

1.5

1.95

2

2.5

3

3.2

3.5

4

4.2

4.5

5

5.0 mm

5.2

5.5

6

6.0 mm

6.2

6.5

6.604

7

7.2

7.5

8

8.0 mm

8.2042

8.5

8.6868

9

10

10.0 mm

10.2108

10.4902

11

12

12.0 mm

12.192

12.7

13

14

14.0 mm

15

15.1892

16

16.3068

17

17.2974

18

18.0 mm

18.4912

18.9992

19

19.6088

19.9898

20

20/30

20.1

20.62

21

21.59

22

23

23.5966

24.892

24.9

24.99

24.9936

24.994

25

ø25

25/37

25.4

25.7048

26

26.01

26.6954

27

28

29

30

30.505

30.5054

31

31.496

31.5

31.801

32

ø32

32.004

32.512

32.9946

32.995

33

33 mm

34

35

35.45

36.45

37

37.287

37.2872

37.313

37.45

38

38.1

38.45

38.913

39.45

40

40/55

40.005

40.01

40.1

40.1066

40.132

40.45

41

41.45

41.5

42.45

43

43.307

43.45

44

ø44

44.45

44.704

45

45.0088

45.45

46

46.45

46.99

47

47.45

48

48.45

49.3014

49.45

50

50 mm

50/75

50.01

50.0126

50.038

50.45

50.8

51

51.45

52

52.45

53

53.45

54

54.0004

54.45

54.99

55

55.35

56

56.35

57

57.35

58.35

59.35

59.99

60

60/75

60.35

61.01

61.011

61.35

62

ø62

62.35

62.992

63

63.35

63.5

63.98

64

64.35

64.7954

65

65.35

66.35

67.35

67.894

68

68.35

69

69.35

70

70/90

70.35

71.35

72

72.35

73.35

74.35

75

75.01

75.35

76.35

77.013

77.35

78.35

79.35

80

80.01

80.35

81.35

82.35

82.499

83

83.35

84.35

85

85.35

86

86.35

87.35

ø88

88.35

89

89.35

90

90.35

98

99

99.9998

100

105

106

109

111.35

115

119.9896

120

123

ø125

130

132.35

135

136

139.7

140

145

148

150

153.35

166

170

172.72

188

198

212

220

223.52

228

248

250

258

275

279.4

298

378

458

538

778

1018
Clear

Application
- Internal Diameter
- Inner diameter profiling
- Pull
Clear

Cutting Direction
- Right-hand
- Left-hand
- IKOU
Clear

Clamp Shape
- Clamp-on
- Cable clamp
- Pin Lock
- Screw-on
- Lever lock
- Wedge Lock
- Other
Clear

Overall Length L1
3

10

10.2

11

11.2

13

13.2

14

15

15.9

18

18.3

20

20.3

22

22.3

24

24.1

24.2

24.9936

25

25.15

25.5

26.5

27

27.25

27.26

27.3

27.4

28

28.1

29.9974

30

30.8

31

32

32.25

32.26

32.3

32.4

32.5

32.9

33.7

33.8

34

34.1

34.8

35

36

37.25

37.26

37.3

37.5

37.6

38

38.9

39

39.5

39.8

39.9

40

40.005

42

42.25

42.3

42.5

43

43.26

43.3

44.3

45

45.0088

45.3

47

47.25

47.3

47.6

47.9

48

48.8

49

49.8

49.9872

50

50.1

51

51.9

52.2

52.25

52.3

52.7

54.4

55

55.3

56

57.2

57.25

57.3

57.8

58

58.1

58.2

59.9948

60

60.8

61.3

62

62.25

62.3

62.7

63

63.2

65

66

66.1

66.2

67.25

68

70

70.3

72

72.25

73.1

73.7

74.2

75

75.0062

76

78

80

80 mm

81

82

82.499

82.55

83

83.1

85

87

88

89

90

90 mm

91

93

95

96

97

98

99.009

100

100 mm

100.00 - 104.00

101

101.6

102

103

104.648

105

106

106.934

110

110 mm

111

112

113

113.65

114

115

117

118

119

119.9896

120

120 mm

121

122

124

124.993

125

125 mm

125.5

127

128

129.1

130

131

132

132.08

133

134

134.0612

134.3914

135

135.65

136

137.1

139.7

140

143

145

147

150

150 mm

150.012

150.0124

152

152.4

154

154.7876

156

156.6926

158

159.4612

159.7914

160

164

165

167

170

175

177

180

180 mm

180.0098

185

189.992

190

195

198

199.898

200

203.2

203.962

204.6

205.0034

218

220

221.996

224

225

230

240

250

254

254.9906

255

255.194

260

260.096

270

273.05

275

280

285

288

300

300 mm

304.8

310

312.2

313

315

320

325

329.9968

330

332

335.534

340

350

350 mm

355.6

360

365

368

373.888

378.9934

380

381

393

400

400.1

400.101

406.4

410

412.496

420

430

435.991

448

468

475.996

480

502.92

510

518.92

526.796

544

559.9938

560

608

620

658.62

666.496

671.32

678.942

688

755

760

768

849.12

861

880

920

955

968

1040

1100

1200

1240

1400

1500

1560

1760

1900

2000

2200

2400

2600

2800

3200

3450

4000
Drawing

Clear

Clearance angle
- 5°
- 7°
- 20°
- 0°
- 11°
Clear

Shank diameter
1.7

1.8

2

2.5

3

3.5

4

4.78

5

6

6.35

7

7.92

8

9.5

9.53

10

11.6 | 80

12

12.7

14

15.875 mm

15.88

15.88 | 16

16

18

19

19.05

19.05 mm

19.05 | 20

19.1

20

20 mm

ø20 mm

22

22 mm

22.2

23 mm

23.2 | 80

24

25

25.0 mm

25.4

25.4 mm

25.4 | 25

27

31

31.75

31.75 | 32

31.8

32

32 | 40

32 | 50

32 | 63

33

34

38.1

38.1 | 32

38.1 | 40

40

40 | 44.45

40 | 50

40 | 50.8

40 | 60

40 | 63

40 | 63.5

40 | 80

40 | 100

42

45

48

50

50 | 50.8

50.01

50.8

54

60

60 | 63.5

62.99

63

63 | 70

63.5

64

65 | 80

70

70 | 100

75

76.2 | 80

80

80 | 100

80 | 120

80 | 127

80 | 130

80 | 140

80 | 150

80 | 152.4

80 | 160

80 | 180

80 | 200

80 | 220

80 | 250

80 | 254

82

90

95

100

110

120

130

145

160
Clear

Protrusion length (L/D)
Up to 3

Up to 4

Up to 5

Minimum: 5; Maximum: 18

～5.5

Minimum: 6.3; Maximum: 19.5

~7

7.5～20

Minimum: 7.5; Maximum: 21

Minimum: 8.8; Maximum: 24.5

9 to 24

Minimum: 10; Maximum: 28

11

12～32

Minimum: 12.5; Maximum: 35

15–40

18～48

20

24

24～64

30

30~80

32

32.5～64

34

35

36

37

37.5～100

38

40

42

45

48

48～128

49～100

60

60–100

60～160

64

72

80

80/160

96

100

120

128

135

150

160

165

200

225

240

285

330
Clear