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DAISHOWASEIKI Boring Holders（Use：Minor Diameter）

13 items

: 30; 45; 60

Days to Ship	All 6 Days or Less 7 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 13 Days or Less 15 Days or Less 16 Days or Less

EW Micro Head

DAISHOWASEIKI

[Features]
· Microminiaturized, using the popular φ0.01 mm scale adjustment mechanism.
· Adjustment with only micro-quill eccentricity preserves high speed capability.
· Carbide solid straight shank enables high-rigidity machining.

Volume Discount
Days to Ship: 12 Days or more
EWN Boring Head Set (for Finishing / Round Bit Type)

DAISHOWASEIKI

•Use: Minor Diameter
•Minimum Processing Diameter: 1
•Oil Hole Presence: Included
•Feature: Three types of heads suitable for machining can be selected.
•Specification: Ultra-precision head that can be adjusted in microns makes small-diameter boring possible. Extensive carbide cutting tool series that can be used for quick small-diameter deep drilling.

Volume Discount
Days to Ship: 10 Days or more
EWN Boring Head Set (for Finishing / Insert Holder Type)

DAISHOWASEIKI

•Use: Minor Diameter
•Compatible Tip Shape: T (Triangular)
•Oil Hole Presence: Included
•Description: ENH○-1 is attached to the insert holder. Purchase ENH○-2 and 3 separately. When using with back boring, the direction of rotation is reversed.
•Feature: 1-micron scale has been added to the easy-to-see scale of 0.01 mm/φ increments.

Volume Discount
Days to Ship: 8 Days or more
RW Cartridge (for Blind Holes) Cartridge Body

DAISHOWASEIKI

•Use: Minor Diameter
•Compatible Tip Shape: C (80° Diamond)
•Type: For Blind Hole E Type
•Specification: 80° Diamond-shaped tip; 2 corners can be used

Volume Discount
Days to Ship: 8 Days or more
EWB Boring Head (High-Speed Finishing / Automatic Balance Compensation Mechanism Built-In)

DAISHOWASEIKI

[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.

Volume Discount
Days to Ship: 13 Days or more
EWB Round Bit Boring Head (High-Speed Finishing / Manual Balance Adjustment Mechanism Built-In)

DAISHOWASEIKI

[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).

Volume Discount
Days to Ship: 13 Days or more
Insert Holder For EWN Boring Head Replacement

DAISHOWASEIKI

[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
Days to Ship: 12 Days or more
RW Cartridge (for Through Holes) Cartridge Body

DAISHOWASEIKI

•Use: Minor Diameter
•Compatible Tip Shape: S (Square)
•Type: Through Hole A Type
•Description: The cartridges is a set of two and comes with one tip clamp screw wrench.
•Specification: Square tip, 4 corners are usable

Volume Discount
Days to Ship: 10 Days or more
SW Cartridge (A-Type for Through Holes)

DAISHOWASEIKI

[Features]
· 4 corners of the tip can be used

Volume Discount
Days to Ship: 10 Days or more
SW Cartridge (E-Type for Blind Holes)

DAISHOWASEIKI

[Features]
· Compatible with flat seating surface machining

Volume Discount
Days to Ship: 10 Days or more
SW Boring Head (Rough Highly Rigid Type)

DAISHOWASEIKI

[Features]
· High-rigidity type for roughing. Center through.

Volume Discount
Days to Ship: 10 Days or more
TW Cartridge (E-Type for Blind Holes)

DAISHOWASEIKI

[Features]
· 80° diamond-shaped tip; 2 corners can be used

Volume Discount
Days to Ship: 8 Days or more
TW Boring Head (for Finishing/Round Bit Type)

DAISHOWASEIKI

High-rigidity type for roughing. Center through.

Volume Discount
Days to Ship: 8 Days or more

Days to Ship:	12 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	13 Days or more

Days to Ship:	13 Days or more

Days to Ship:	12 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more


Brand
Product Series
Days to Ship
Applicable Tip Shape
Minimum Processing Diameter
Use
Preferred Hand
Clamp Shape
Overall Length L1
Clearance Angle
Link Diameter
Protrusion Length (L/D)
Oil Hole Presence


Brand	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI	DAISHOWASEIKI
Product Series	EW Micro Head	EWN Boring Head Set (for Finishing / Round Bit Type)	EWN Boring Head Set (for Finishing / Insert Holder Type)	RW Cartridge (for Blind Holes) Cartridge Body	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)	Insert Holder For EWN Boring Head Replacement	RW Cartridge (for Through Holes) Cartridge Body	SW Cartridge (A-Type for Through Holes)	SW Cartridge (E-Type for Blind Holes)	SW Boring Head (Rough Highly Rigid Type)	TW Cartridge (E-Type for Blind Holes)	TW Boring Head (for Finishing/Round Bit Type)
Days to Ship	12 Days or more	10 Days or more	8 Days or more	8 Days or more	13 Days or more	13 Days or more	12 Days or more	10 Days or more	10 Days or more	10 Days or more	10 Days or more	8 Days or more	8 Days or more
Applicable Tip Shape	W (Hexagonal)	-	T (Triangular)	C (80° Diamond)	T (Triangular)	T (Triangular)	T (Triangular)	S (Square)	C (80° Diamond)	C (80° Diamond) / D (55° Diamond)	-	C (80° Diamond)	-
Minimum Processing Diameter	15 ～ 18	1	20 ～ 100	25 ～ 125	32 ～ 85	1	-	25 ～ 125	20 ～ 175	20 ～ 175	20 ～ 148	25	25
Use	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter	Minor Diameter
Preferred Hand	-	-	-	-	-	-	-	-	-	-	-	-	-
Clamp Shape	-	-	-	-	-	-	-	-	-	-	-	-	-
Overall Length L1	144 ～ 204	-	-	-	-	-	-	-	-	-	-	-	-
Clearance Angle	-	-	-	-	-	-	-	-	-	-	-	-	-
Link Diameter	14 ～ 16	-	-	-	-	50 ～ 63.5	-	-	-	-	-	-	-
Protrusion Length (L/D)	100 ～ 160	-	-	-	-	-	-	-	-	-	-	-	-
Oil Hole Presence	Included	Included	Included	None	Included	Included	-	None	None	None	Included	None	Included

Configure

Specification/Dimensions

Applicable Tip Shape
- C (80° Diamond)
- D (55° Diamond)
- V (35° Diamond)
- W (Hexagonal)
- T (Triangular)
- S (Square)
- R (Round)
- Others
Images

Clear

Metric / Inch
- metric
Clear

Minimum Processing Diameter
0.3

0.5

0.6

0.9

1

1.5

2

2.5

3

3.2

3.5

4

4.2

4.5

5

5.2

5.5

6

6.2

6.5

7

7.2

7.5

8

8.5

9

10

11

12

13

14

15

16

18

20

22

23

25

26

27

28

29

30

31

32

34

40

41

43

44

50

51

53

54

55

62

63

66

68

69

72

80

85

86

88

90

98

100

105

125

130

148

175
Clear

Use
- Minor Diameter
- Inner Diameter Profile
- Pull
Clear

Preferred Hand
- Right Handed
- Left Handed
Clear

Clamp Shape
- Clamp On
- Cable clamp
- Pin Lock
- Screw On
- Lever Lock
- Wedge Lock
Clear

Overall Length L1
15

26.5

27.25

27.26

27.3

28.1

30.8

32

32.25

32.26

34.8

35

35.8

37.25

37.26

38.9

39

39.8

39.9

40

42

42.25

43.26

47.25

48.8

49

49.8

52.25

57.25

58.1

58.2

60

62.25

63

66.1

66.2

67.25

70

72.25

74.2

80

85

90

91

93

95

100

105

110

113.65

120

125

135

140

143

144

145

150

151

154

160

164

165

180

181

200

204

220

225

250

275

300

315

325

620
Drawing

Clear