MODULAR HOLDERS
CKB SHANK
COOLANT
THROUGH
L
L
L
A
A
A
CKB No.
CKB No.
Fig. 1
Fig. 2
Fig. 3
CKB No.
BT30: 1.32 (Min) BT40: 1.57
R
SPINDLE SYSTEM DUAL CONTACT
BIG-PLUS BBT Shank Catalog Number
BT Shank Catalog Number BT30-CKB1-72 BT30-CKB2-38 BT30-CKB2-83 BT30-CKB3-39 BT30-CKB3-79 BT30-CKB4-38 BT30-CKB4-73 BT30-CKB5-63 BT30-CKB6-64
Weight (lbs.)
Fig.
CK No.
øD
L
A
BBT30-CKB1-72 BBT30-CKB2-38 BBT30-CKB2-83 BBT30-CKB3-39 BBT30-CKB3-79 BBT30-CKB4-38 BBT30-CKB4-73 BBT30-CKB5-63 BBT30-CKB6-64
1
CK1
.748
2.835 1.476 3.248 1.535 3.110 1.496 2.874 2.480 2.520
1.575
1.1
.433
.9
2
CK2
.945
19
2.165
1.2 1.0 1.4 1.0 1.7 1.7 2.0
.512
2
CK3
1.220
2.047
.512
2
CK4
1.535
1.890 1.614 1.654
3 3
CK5 CK6
1.969 2.520
ROUGH BORING HEAD
EXTENSION & REDUCTION
FINE BORING HEAD
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