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ITS BORE CATI-MB-AB CRKS SS Fig. 1 LB CSICRKS Fig. 2 BD 20° (a) Cutting edge position
LPR
MB Modular Boring System
(a)
Connections with Caterpillar
ADB Tapered Shanks

Designation SS CSI LB LPR BD CRKS Fig. CDI (1) Lbs
CATI 40 MB50AB 40 MB50 1.850 2.600 - 5/8-11 1. 0 2.71 HW 6.0
CATI 50 MB50AB 50 MB50 1.142 1.890 - 1-8 1. 0 6.66 HW 6.0
CATI 50 MB80X7.087AB 50 MB80 6.339 7.087 3.150 1-8 2. 0 17.00 HW 8.0
• Note: Holders with holes in the flange also feature central coolant holes (type ADB). Remove the sealing cap screws in the flange for type B coolant option.
(1) 1 - Slot for data chip, 0 - Without slot for data chip

Sealing Cap
Screw

LPR LPR

CATI-FC-MB SS LB SS LB
MB Modular Boring System
Connections with Caterpillar CRKS CSI CRKS CSI BD (a)
ADB Form Face Contact
Tapered Shanks
Fig. 1 Fig. 2 20° (a) Cutting edge position

Designation SS CSI BD LB LPR CRKS Fig. CDI (1) Lbs
CATI 40 FC MB50 A/B 40 MB50 - 1.850 2.600 5/8-11 1. 0 2.43 HW 6.0
CATI 40 FC MB50X4.724 A/B 40 MB50 1.970 3.976 4.724 5/8-11 2. 0 5.95 HW 6.0
CATI 40 FC MB63 A/B 40 MB63 - - 3.937 5/8-11 1. 0 4.19 HW 8.0
CATI 50 FC MB110X5.90 A/B 50 MB110 4.330 5.160 5.906 1-8 2. 0 9.92 HW 10.0
CATI 50 FC MB50A/B 50 MB50 - 1.140 1.890 1-8 1. 0 3.75 HW 6.0
CATI 50 FC MB50X4.724A/B 50 MB50 2.760 3.976 4.724 1-8 2. 0 6.39 HW 6.0
CATI 50 FC MB63A/B 50 MB63 - 1.460 2.200 1-8 1. 0 4.41 HW 8.0
CATI 50 FC MB63X5.906A/B 50 MB63 2.760 5.157 5.906 1-8 2. 0 7.50 HW 8.0
CATI 50 FC MB80A/B 50 MB80 - 1.690 2.440 1-8 1. 0 4.41 HW 8.0
(1) 1 - Slot for data chip, 0 - Without slot for data chip

456 ISCAR