BASE HOLDER for MODULAR TYPE
L
L
H
Coupling Bolt
L
L
H
H 1
40
H
φ Q φ C
φ Q φ C
φ C 1
φ Q φ C
φ Q φ C
φ C 1
φ C 1
Q
Fig.1
Fig.2
Fig.3
Fig.4
Coupling Dia Q
Coupling Bolt No.
Weight （ kg ）
TAPER Code No.
L
C C 1
H
H 1
Fig.
NBT30-Q 9- 50
50 65 50 40 80,95
19 24 31 40 50 19 24 31 40 50 64 83 19 24 31 40 50 64 83 83
30
9 12 16 20 26 9 12 16 20 26 34 42 9 12 16 20 26 34
20 40 25 26 18 5,27
B19 B12 B16 B20 B26N B19 B12 B16 B20 B26N B34 B42 B19 B12 B16 B20 B26N B34
2
NBT40-Q 9- 80, 95N -Q20- 50 -Q16- 50 -Q12- 65 -Q26- 40
-
No.30
1
-
0.5
3
6
45 30 35 42 50 62 62 - 40 44 50 60 65 80 98 -
1.2, 1.2 1.2, 1.3 1.5, 1.6 1.5, 1.7 1.1, 1.8, 2.4 2.2, 2.6 2.8
(NIT40)
80,110 95,125 80,110 50,95,140 95,110 95 110,125 95,125
12,50 22,55 27,60 20,65,110 68,83 68 5,27
-Q26- 50, 95,140 -Q16- 95,125 -Q12- 80,110 -Q20- 80,110 -Q34- 95,110 -Q42- 95
2
-
No.40
1
55,70 55
3
NBT50-Q 9-110,125N
4.1, 4.1 4.0, 4.0 4.5, 4.6 4.6, 4.5
(NIT50)
-Q16-125N,155 -Q12- 95,125 -Q20-110,125
12,50 22,55 27,60 27,47,112 102,120,150 87,152
2
125,155 110,125 65,140,170 140,170,200
No.50
-Q26- 65,140,170N -Q34-140,170,200 -Q42-125,190 -Q42-225A,275A 325A,375A
-
3.7, 5.3, 5.4 5.6, 6.5, 7.1 12.9, 15.6 18.3, 21.0 6.5, 9.1
1,2,2 1,2,2
125,190 225,275 325,375
1 4
B42
42
-
★ φ C of Q 26 base holder has been increased from 45mm to 50mm due to improvement of its rigidity. ★ All base holders have a centre through-tool coolant hole. ★ The Coupling screw & wrench are supplied as standard.
★ When L length is required longer than standard, please specify the boring depth M.
L
M
Q No.
DJ BORING BAR
For both wide range small quantity production and mass production Boring Head with Power of Solid Carbide DJ Bit
L
h 1
h
Solid Carbide DJ Bit
φ Q
S
φ J
φ C
DJ
φ D
M
DJ Head
Boring Range
Boring Depth
Bit Hole Size
Shank Code No.
Head Code No.
Bit Stroke DJ Bit
Code No.
TAPER
L C
Code No.
J
NBTNo.Q-h Q-MinD-h 1
NBTNo.-MinD-L
D
M
S
3 ～ 28 3 ～ 50
14 ～ 80 14 ～ 130
(NIT40) NBT30-DJ3- 80A -DJ8- 84AN NBT40-DJ3- 90A -135A -DJ8- 94AN -139AN NBT50-DJ3 -105A -210A -DJ8-109AN -214AN (NIT50)
No.30 No.40
Q26-DJ3-40A
J10 J16 J10
50 59
10 16
5.2 6.0
80 84 90 135 94 139 105 210 109 214
NBT30-Q26- 40
-DJ8-44AN
NBT40-Q26- 50 - 95 - 95 NBT40-Q26- 50 -170N NBT50-Q26- 65 -170N NBT50-Q26- 65
3 ～ 28 14 ～ 80
Q26-DJ3-40A
50
10
5.2
3 ～ 50 14 ～ 130
-DJ8-44AN
J16
59
16
6.0
3 ～ 28 14 ～ 80
Q26-DJ3-40A
J10
50
10
5.2
No.50
3 ～ 50 14 ～ 130
-DJ8-44AN
J16
59
16
6.0
★ MIN. dial readout on dia.: 0.01mm, Sub scale: 0.005mm, 0.8mm/rev. ★ Each boxed set of DJ3 and DJ8 Boring Bars include 4 pcs of DJ Boring Bits as standard.
★ Shank and DJ Head （ including Boring Bits ） are delivered in separate packages.
★ Please refer
P.88 for Boring Bits. Please refer
P.108 for cutting condition.
Bits included for NBT40-DJ8-94A : J16-8-40, J16-18-80, J16-28-85, J16-38-85 Bits included for NBT40-DJ8-94AN : J16-8-40, J16-18-60, J16-28-65, J16-38-65 ★ DJ Boring Bar without Boring Bits is also available. Please add “ -BD ” at the end of Code No. e.g. NBT40-DJ3-90A-BD
195
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