MILLING CHUCKS
NMTB 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
NMTB40
D d
Collet Series
Clamping Range
Max. RPM
Part Number
d L (mm) L L1
D
Wrench
NMTB40-C3/4-70 KM3/4 or CCK3/4 0.125-0.750" 9HC22 0.75" 70 2.76" 3.15" 2.03" 6K NMTB40-C1.1/4-105 KM1.1/4 or CCK1.1/4 0.187-1.250" 9HC32 1.25" 105 4.13" 3.15" 2.72" 6K Note: Wrench not included.
L
L1
NMTB50
Collet Series
Clamping Range
Max. RPM
Part Number
d L (mm) L L1
D
Wrench
NMTB50-C3/4-65 KM3/4 or CCK3/4 0.125-0.750" 9HC22 0.75" 65 2.56" 3.15" 2.03" 6K NMTB50-C1.1/4-90 KM1.1/4 or CCK1.1/4 0.187-1.250" 9HC32 1.25" 90 3.54" 4.13" 2.72" 6K NMTB50-C2-105 KM2 or CCK2 1.000-2.000" 9HC50 2.00" 105 4.13" 3.54" 4.13" 6K
Note: • Wrench not included. • All NMTB shanks are suitable for use with Erickson Quick Change spindles.
KM & NK Collets Pages 151-152
Spanner Wrench Page 155
Back-Up Screw Page 155
Coolant-Thru & Slotted Nuts Page 153-154
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