BASE HOLDER for MODULAR TYPE (BT Shank) L
Coupling Bolt
H
L H
BT
φQ φC
Fig.1
φC1
Fig.2
L H
Q
L H1
φC1
40
φQ φC
2Lock
No.30
No.40
No.50
Code No.
BT30-Q 9- 50 -Q12- 65 -Q16- 50 -Q20- 50 -Q26- 40 BT40-Q 9- 80 - 95N -Q12- 80 - 110 -Q16- 95 - 125 -Q20- 80 - 110 -Q26- 50 - 95 - 140 -Q34- 95 - 110 -Q42- 95 BT50-Q 9- 110 - 125N -Q12- 95 - 125 -Q16- 125N - 155 -Q20- 110 - 125 -Q26- 65 - 140 - 170N -Q34- 140 - 170 - 200 -Q42- 125 - 190 -Q42- 225A - 275A - 325A - 375A
Coupling Dia Q 9 12 16 20 26 9 12 16 20 26 34 42 9 12 16 20 26
34 42
42
Fig.4
L
C
C1
H
50 65 50 50 40 80 95 80 110 95 125 80 110 50 95 140 95 110 95 110 125 95 125 125 155 110 125 65 140 170 140 170 200 125 190 225 275 325 375
19 24 31 40 50
30
19
30
24
35
31
42
40
50
50
-
20 40 25 26 18 5 27 12 50 22 55 27 60 20 65 110 68 83 68 5 27 12 50 22 55 27 60 27 47 112 102 120 150 87 152
64
45
62
83 19
40
24
44
31
50
40
60
50
65
64
80
83
-
83
98
H1 6
Coupling Bolt No. B19 B12 B16 B20 B26N
Fig.
Weight (kg)
2
0.5 0.5 0.5 0.5 0.5 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 4.1 4.1 4.0 4.0 4.5 4.6 4.6 4.5 3.7 5.3 5.4 5.6 6.5 7.1 6.5 9.1 12.9 15.6 18.3 21.0
1 3
B19 B12 2 -
B16 B20 B26N
55 70 55
B34 B42
1
3
B19 B12 2 B16 B20 1 -
B26N
2 1
B34
2 1
B42
★φC of Q26 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.
101
φQ φC
φC1
Fig.3
TAPER
φQ φC
-
4
L M
Q No.