MILLING CHUCKS
BT 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.
BT30
Collet Series
Clamping Range
Max. RPM
Part Number
d L (mm) L L1
D
Wrench
D d
BT30-C3/4-75*
KM3/4 or CCK3/4 0.125-0.750" 9HC22 0.75" 75 2.95" 3.15" 2.03" 12K
Available in TAPER PLUS + Dual-taper and flange contact
Note: • Wrench not included. • “*” indicates stubby style.
BT40
L
L1
Collet Series
Clamping Range
Max. RPM
Part Number
d L (mm) L L1
D
Wrench
BT40-C3/4-70* BT40-C3/4-105 BT40-C1-70* BT40-C1-90 BT40-C1.1/4-85 BT40-C1.1/4-120 BT40-C32-105
KM3/4 or CCK3/4 0.125-0.750" 9HC22 0.75" 70 2.76" 3.15" 2.03" 8K KM3/4 or CCK3/4 0.125-0.750" 9HC22 0.75" 105 4.13" 3.15" 2.03" 8K KM1 or CCK1 0.125-1.000" 9HC25 1.00" 70 2.76" 3.15" 2.34" 8K KM1 or CCK1 0.125-1.000" 9HC25 1.00" 90 3.54" 3.15" 2.34" 8K KM1.1/4 or CCK1.1/4 0.187-1.250" 9HC32 1.25" 85 3.35" 3.03" 2.72" 8K KM1.1/4 or CCK1.1/4 0.187-1.250" 9HC32 1.25" 120 4.72" 4.13" 2.72" 8K KM32 or CCK32 6 - 32mm 9HC32 32mm 105 4.13" 3.54" 2.72" 8K
Available in TAPER PLUS + Dual-taper and flange contact
Note: • Wrench not included. • “*” indicates stubby style.
BT50
D d
Collet Series
Clamping Range
Max. RPM
Part Number
d L (mm) L L1
D
Wrench
BT50-C3/4-105 BT50-C3/4-135 BT50-C1-105 BT50-C1-135 BT50-C1.1/4-90 BT50-C1.1/4-105 BT50-C1.1/4-135 BT50-C32-90 BT50-C32-105 BT50-C32-120 BT50-C32-135 BT50-C32-165 BT50-C32-200 BT50-C32-250 BT50-C32-300 BT50-C32-400 BT50-C32-500 BT50-C2-105
KM3/4 or CCK3/4 0.125-0.750" 9HC22 0.75" 105 4.13" 3.15" 2.03" 8K KM3/4 or CCK3/4 0.125-0.750" 9HC22 0.75" 135 5.31" 3.15" 2.03" 8K KM1 or CCK1 0.125-1.000" 9HC25 1.00" 105 4.13" 3.15" 2.34" 8K KM1 or CCK1 0.125-1.000" 9HC25 1.00" 135 5.31" 4.13" 2.34" 8K KM1.1/4 or CCK1.1/4 0.187-1.250" 9HC32 1.25" 90 3.54" 4.13" 2.72" 8K KM1.1/4 or CCK1.1/4 0.187-1.250" 9HC32 1.25" 105 4.13" 4.13" 2.72" 8K KM1.1/4 or CCK1.1/4 0.187-1.250" 9HC32 1.25" 135 5.31" 4.13" 2.72" 6K KM32 or CCK32 6 - 32mm 9HC32 32mm 90 3.54" 4.13" 2.72" 8K KM32 or CCK32 6 - 32mm 9HC32 32mm 105 4.13" 4.13" 2.72" 8K KM32 or CCK32 6 - 32mm 9HC32 32mm 120 4.72" 4.13" 2.72" 8K KM32 or CCK32 6 - 32mm 9HC32 32mm 135 5.31" 4.13" 2.72" 6K KM32 or CCK32 6 - 32mm 9HC32 32mm 165 6.50" 4.13" 2.72" 6K KM32 or CCK32 6 - 32mm 9HC32 32mm 200 7.87" 4.13" 2.72" 2.4K KM32 or CCK32 6 - 32mm 9HC32 32mm 250 9.84" 4.13" 2.72" 2.4K KM32 or CCK32 6 - 32mm 9HC32 32mm 300 11.81" 4.13" 2.72" 2.4K KM32 or CCK32 6 - 32mm 9HC32 32mm 400 15.75" 4.13" 2.72" 2.4K KM32 or CCK32 6 - 32mm 9HC32 32mm 500 19.69" 4.13" 2.72" 2.4K KM2 or CCK2 1.000-2.000" 9HC50 2.00" 105 4.13" 3.54" 4.13" 6K
L
L1
Note: Wrench not included.
144 847-367-4800
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