MILLING CHUCKS
CAT MILLING CHUCKS FEATURES • Nikken patented design • Nut body contact, nose clamping and anti-vibration mechanism • Thick body and internal slots provide extremely strong chucking torque and rigidity • Quiet and stable heavy milling • 140% more bearing surface than competitors’ milling chucks
T.I.R. <0.0002 " at 3xD COOLANT-THRU Coolant-Thru Thru-tool coolant MILLING
DRILLING REAMING
Please note that the maximum RPM listed in our catalog may vary depending on the toolholder shank, weight, balanceability and the G rating.
CAT40
D d
Collet Series
Clamping Range Wrench d L (mm) L L1
Max. RPM
Part Number
D
CAT40-C3/4-70U-IDU* KM3/4 or CCK3/4 0.125 - 0.750" 9HC22 0.75" 70 2.76" 3.15" 2.03" 20K CAT40-C3/4-85U-IDU KM3/4 or CCK3/4 0.125 - 0.750" 9HC22 0.75" 85 3.35" 3.15" 2.03" 20K CAT40-C3/4-105U-IDU KM3/4 or CCK3/4 0.125 - 0.750" 9HC22 0.75" 105 4.13" 3.15" 2.03" 20K CAT40-C3/4-120U-IDU KM3/4 or CCK3/4 0.125 - 0.750" 9HC22 0.75" 120 4.72" 3.15" 2.03" 20K CAT40-C1-85U-IDU KM1 or CCK1 0.125 - 1.000" 9HC25 1.00" 85 3.35" 3.15" 2.34" 20K CAT40-C1-105U-IDU KM1 or CCK1 0.125 - 1.000" 9HC25 1.00" 105 4.13" 3.15" 2.34" 20K CAT40-C1.1/4-85U-IDU** KM1.1/4 or CCK1.1/4 0.187 - 1.250" 9HC32 1.25" 85 3.35" 3.03" 2.52" 20K CAT40-C1.1/4SL-105U-IDU KM1.1/4 or CCK1.1/4 0.187 - 1.250" 9HC32 1.25" 105 4.13" 3.03" 2.72" 20K CAT40-C1.1/4SL-120U-IDU KM1.1/4 or CCK1.1/4 0.187 - 1.250" 9HC32 1.25" 120 4.72" 3.15" 2.72" 20K CAT40-C32-105U-IDU KM32 or CCK32 6 - 32mm 9HC32 32mm 105 4.13" 3.03" 2.52" 20K Note: • Wrench not included. • *CAT40-C3/4-70U Milling Chuck does not have safety recess. • **Coolant-Thru nut and slotted nut will not fit CAT40-C1.1/4-85U (old generation)
L1
L
CAT50
D d
Collet Series
Clamping Range Wrench d L (mm) L L1
Max. RPM
Part Number
D
CAT50-C3/4-105U-IDU KM3/4 or CCK3/4 0.125 - 0.750" 9HC22 0.75" 105 4.13" 3.15" 2.03" 8K CAT50-C3/4-135U-IDU KM3/4 or CCK3/4 0.125 - 0.750" 9HC22 0.75" 135 5.31" 3.15" 2.03" 6K CAT50-C3/4-165U-IDU KM3/4 or CCK3/4 0.125 - 0.750" 9HC22 0.75" 165 6.50" 3.15" 2.03" 6K CAT50-C1-105U-IDU KM1 or CCK1 0.125 - 1.000" 9HC25 1.00" 105 4.13" 3.15" 2.34" 8K CAT50-C1-135U-IDU KM1 or CCK1 0.125 - 1.000" 9HC25 1.00" 135 5.31" 3.15" 2.34" 6K CAT50-C1.1/4-90U-IDU KM1.1/4 or CCK1.1/4 0.187 - 1.250" 9HC32 1.25" 90 3.54" 4.13" 2.72" 8K CAT50-C1.1/4-105U-IDU KM1.1/4 or CCK1.1/4 0.187 - 1.250" 9HC32 1.25" 105 4.13" 4.13" 2.72" 8K CAT50-C1.1/4-135U-IDU KM1.1/4 or CCK1.1/4 0.187 - 1.250" 9HC32 1.25" 135 5.31" 4.13" 2.72" 6K CAT50-C1.1/4-165U-IDU KM1.1/4 or CCK1.1/4 0.187 - 1.250" 9HC32 1.25" 165 6.50" 4.13" 2.72" 6K CAT50-C2-125U-IDU KM2 or CCK2 1.000 - 2.000" 9HC50 2.00" 125 4.92" 3.23" 4.13" 6K CAT50-C32-105U-IDU KM32 or CCK32 6 - 32mm 9HC32 32mm 105 4.13" 4.13" 2.72" 8K CAT50-C32-165U-IDU KM32 or CCK32 6 - 32mm 9HC32 32mm 165 6.50" 4.13" 2.72" 6K Note: Wrench not included.
L1
L
KM & NK Collets Pages 151-152
Spanner Wrench Page 155
Back-Up Screw Page 155
Coolant-Thru & Slotted Nuts Page 153-154
140
847-367-4800
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