SK COLLET CHUCKS
BT SK COLLET CHUCKS FEATURES • Feature TiN Bearing Nut which considerably improves cutting rigidity and finish • Narrow body allows access to tight spaces and hard to reach areas • Unique high-pressure coolant collet system for higher accuracy and gripping torque • Longer and steeper collet provides double the clamping force and precision than ER Collet Chucks
T.I.R. ≤0.0002 " at 4xD Speed Up to 30,000 rpm
RPM
COOLANT-THRU Coolant-Thru Thru-tool coolant
MILLING
DRILLING REAMING TAPPING
Please note that the maximum RPM listed in our catalog may vary depending on the toolholder shank, weight, balanceability and the G rating.
BT30 Part Number Collet Size
D
Collet Range Wrench
L (mm) L L1 D D1
Back-Up Screw
Max. RPM Fig.
L1
L
BT30-SK6-60 BT30-SK6-90 BT30-SK6-120 BT30-SK10-45 BT30-SK10-60 BT30-SK10-90 BT30-SK13-75 BT30-SK13-90 BT30-SK13-120 BT30-SK16-60 BT30-SK16-90 BT30-SK16-120 BT30-SK20-60 BT30-SK20-90 BT30-SK25-90
SK6 0.028 - 0.25" SKL-6W 60 2.36" 1.49" 0.77" -
SKG-8 15K 7
SK6 0.028 - 0.25" SKL-6W 90 3.54" 2.47" 0.77" 1.26" SKG-8 15K 8 SK6 0.028 - 0.25" SKL-6W 120 4.72" 2.63" 0.77" 1.26" SKG-8 15K 8 SK10 0.035 - 0.394" SKL-10 45 1.77" 0.90" 1.08" - SKG-12S 15K 7
SK10 0.035 - 0.394" SKL-10 60 2.36" 1.52" 1.08" - SK10 0.035 - 0.394" SKL-10 90 3.54" 2.68" 1.08" - SK13 0.108 - 0.512" 016-SPAN 75 2.95" 2.09" 1.30" - SK13 0.108 - 0.512" 016-SPAN 90 3.54" 2.68" 1.30" - SK13 0.108 - 0.512" 016-SPAN 120 4.72" 3.86" 1.30" - SK16 0.108 - 0.63" 9HC16 60 2.36" 1.47" 1.58" - SK16 0.108 - 0.63" 9HC16 90 3.54" 2.67" 1.58" - SK16 0.108 - 0.63" 9HC16 120 4.72" 3.82" 1.58" -
SKG-12L 15K 7 SKG-12L 15K 7 SKG-15 15K 7 SKG-15 15K 7 SKG-15 15K 7 SKG-12L 15K 7 SKG-12 15K 7 SKG-18L 15K 7
Fig. 7
D1 D
L1
L
SK20 0.138 - 0.787" 9HC22 60 2.36" 1.49" 1.91" - SKG-12S 15K 7
SK20 0.138 - 0.787" 9HC22 90 3.54" 2.67" 1.91" - SK25 0.188 - 1.000" 9HC22 90 3.54" 2.67" 2.17" -
SKG-12 15K 7 SKG-12 15K 7
L
Available in TAPER PLUS + Dual-taper and flange contact
Fig. 8
SK Collets Pages 32-39
Wrenches Page 40
Back-up Screw Page 41
Coolant-thru Nuts Pages 37-39
20
847-367-4800
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