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AD ADB
(a) (a) SS
SKA-MB
MB Modular Connection System
with DIN69871 Form AD/ADB CRKS DCONWS BD
/ ISO7388/1 Taper Shanks ITS BORE
LB
LPR (a) Cutting edge position

Designation SS DCONWS LPR LB BD CRKS Lbs
SKA 30-MB32 30 1.2598 1.181 .413 - M12 .88 HW 4.0
SKA 30-MB50 30 1.9685 2.362 1.614 - M12 1.47 HW 6.0
SKA 40-MB40 40 1.5748 1.772 1.024 - M16 2.07 HW 5.0
SKA 40-MB40X120 ADB 40 1.5748 4.724 3.976 1.752 M16 3.75 HW 5.0
SKA 40-MB50 40 1.9685 1.890 1.142 - M16 2.19 HW 6.0
SKA 40-MB50X120 ADB 40 1.9685 4.724 3.976 - M16 4.50 HW 6.0
SKA 40-MB63 40 2.4803 3.150 2.402 - M16 3.34 HW 8.0
SKA 45-MB50 45 1.9685 1.890 1.142 - M20 3.91 HW 6.0
SKA 50-MB110X150 50 4.3307 5.906 5.157 - M24 18.67 HW 10.0
SKA 50-MB50 50 1.9685 1.890 1.142 - M24 6.22 HW 6.0
SKA 50-MB50X120 ADB 50 1.9685 4.724 3.976 2.362 M24 8.88 HW 6.0
SKA 50-MB63 50 2.4803 2.205 1.457 - M24 6.50 HW 8.0
SKA 50-MB63X150 ADB 50 2.4803 5.906 5.157 2.756 M24 6.21 HW 8.0
SKA 50-MB80 50 3.1496 2.441 1.693 - M24 7.74 HW 8.0
SKA 50-MB80X180 ADB 50 3.1496 7.087 6.339 - M24 17.42 HW 8.0
SKA 60-MB110X100 60 4.3307 3.937 3.189 - M30 23.15 HW 10.0
SKA 60-MB110X200 60 4.3307 7.874 7.126 - M30 39.69 HW 10.0
SKA 60 MB63X60 60 2.4803 2.362 1.614 2.795 M30 20.88 HW 8.0
SKA 60-MB80X65 60 3.1496 2.559 1.811 - M30 22.89 HW 8.0
• Verify that the weight of the entire tool assembly does not exceed the machine spindle's carrying capability • The coolant passages of holders with A/B suffix are plugged
with screws so they can be used either as SKA or SKB (through coolant).

LPR

SKA-FC-MB SS LB SS LPR LB
MB Modular Boring Connection
System with DIN 69871 Face
Contact ADB Tapered Shanks CRKS DCONWSCRKS DCONWS BD

Fig. 1 Fig. 2 20°

Designation SS DCONWS LPR BD LB CRKS Fig. Lbs
SKA 40 FC MB50 ADB 40 1.9685 1.890 - 1.142 M16 1. 1.98 HW 6.0
SKA 40 FC MB50X120 ADB 40 1.9685 4.724 - 3.976 M16 2. 3.75 HW 6.0
SKA 40 FC MB63 ADB 40 2.4803 3.150 - - M16 1. 3.31 HW 8.0
SKA 50 FC MB50 ADB 50 1.9685 1.890 - 1.142 M24 1. 5.95 HW 6.0
SKA 50 FC MB50X120 ADB 50 1.9685 4.724 2.362 3.976 M24 2. 7.72 HW 6.0
SKA 50 FC MB63 ADB 50 2.4803 2.205 - 1.457 M24 1. 6.17 HW 8.0
SKA 50 FC MB63X150 ADB 50 2.4803 5.906 2.972 5.157 M24 2. 11.03 HW 8.0
SKA 50 FC MB80 ADB 50 3.1496 2.441 - 1.693 M24 1. 7.50 HW 8.0
SKA 50 FC MB80X180 ADB 50 3.1496 7.087 - 6.339 M24 2. 15.21 HW 8.0

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