SK COLLET CHUCKS
CAT 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 RPM
T.I.R. ≤0.0002 " at 4xD Speed Up to 30,000 rpm
COOLANT-THRU Coolant-Thru Thru-tool coolant
MILLING
DRILLING REAMING TAPPING
• Longer and steeper taper SK collet provides double the clamping force and precision than ER Collet Chucks
Please note that the maximum RPM listed in our catalog may vary depending on the toolholder shank, weight, balanceability and the G rating.
CAT40 Part Number Collet Size
D1 D
Collet Range Wrench
L (mm) L L1 L2 D D1 D2
Back-Up Screw
Max. RPM Fig.
CAT50-SK6-105U-IDU CAT50-SK6-165U-IDU CAT50-SK6-195U-IDU CAT50-SK10-105U-IDU CAT50-SK10-165U-IDU CAT50-SK10-195U-IDU CAT50-SK10-225U-IDU CAT50-SK13-105U-IDU CAT50-SK13-165U-IDU CAT50-SK13-195U-IDU CAT50-SK16-105U-IDU CAT50-SK16-165U-IDU CAT50-SK16-195U-IDU CAT50-SK20-105U-IDU CAT50-SK20-195U-IDU CAT50-SK25-165U-IDU CAT50-SK25-195U-IDU CAT40-SK6-90U-IDU CAT40-SK6-120U-IDU CAT40-SK6-150U-IDU CAT40-SK10-60U-IDU CAT40-SK10-90U-IDU CAT40-SK10-120U-IDU CAT40-SK10-150U-IDU CAT40-SK10-180U-IDU CAT40-SK13-90U-IDU CAT40-SK13-120U-IDU CAT40-SK13-150U-IDU CAT40-SK13-180U-IDU CAT40-SK16-60U-IDU CAT40-SK16-90U-IDU CAT40-SK16-120U-IDU CAT40-SK16-150U-IDU CAT40-SK16-180U-IDU CAT40-SK20-65U-IDU CAT40-SK20-90U-IDU CAT40-SK20-120U-IDU CAT40-SK20-150U-IDU CAT40-SK20-180U-IDU CAT40-SK25-90U-IDU CAT40-SK25-120U-IDU
SK6 0.028 - 0.25" SKL-6W 90 3.54" 2.15" -
0.77" 1.75"
-
SKG-8 SKG-8 SKG-8
20K 1 20K 2 20K 3 20K 4 20K 1 20K 2 20K 3 20K 3
L1
SK6 0.028 - 0.25" SKL-6W 120 4.72" 2.61" 3.31" 0.77" 1.26" 1.75"
L
SK6 0.028 - 0.25" SKL-6W 150 5.91" 2.35" -
0.77" 1.75" 1.08" - 1.08" 1.75" 1.08" 1.75" 1.08" 1.75" 1.30" 1.75" 1.30" 1.75" 1.30" 1.75" 1.30" 1.75" 1.58" - 1.58" 1.75" 1.58" 1.75" 1.58" 1.75" 1.58" 1.75"
- - - - - - - - - - - - - - - - - - - - -
SK10 0.035 - 0.394" SKL-10 60 2.36" 1.61" SK10 0.035 - 0.394" SKL-10 90 3.54" 2.17"
- -
SKG-12L SKG-12L SKG-12L SKG-12L
SK10 0.035 - 0.394" SKL-10 120 4.72" 3.00" 3.35" 1.08" 1.26" 1.75" SKG-12L
SK10 0.035 - 0.394" SKL-10 150 5.91" 2.90" - SK10 0.035 - 0.394" SKL-10 180 7.09" 2.90" - SK13 0.108 - 0.512" 016-SPAN 90 3.54" 2.18" - SK13 0.108 - 0.512" 016-SPAN 120 4.72" 3.36" - SK13 0.108 - 0.512" 016-SPAN 150 5.91" 3.48" - SK13 0.108 - 0.512" 016-SPAN 180 7.09" 3.45" - SK16 0.108 - 0.63" 9HC16 60 2.36" 1.58" - SK16 0.108 - 0.63" 9HC16 90 3.54" 2.14" SK16 0.108 - 0.63" 9HC16 120 4.72" 3.31" - - SK16 0.108 - 0.63" 9HC16 150 5.91" 4.49" - SK16 0.108 - 0.63" 9HC16 180 7.09" 5.68" - SK20 0.138 - 0.787" 9HC22 65 2.56" 1.80" - SK20 0.138 - 0.787" 9HC22 90 3.54" 2.79" - SK20 0.138 - 0.787" 9HC22 120 4.72" 3.98" - SK20 0.138 - 0.787" 9HC22 150 5.91" 5.15" - SK20 0.138 - 0.787" 9HC22 180 7.09" 1.94" - SK25 0.188 - 1.000" 9HC22 90 3.54" 2.79" - SK25 0.188 - 1.000" 9HC22 120 4.72" 3.98" -
SKG-15 20K 1 SKG-15 20K 1 SKG-15 20K 3 SKG-15 20K 3 SKG-18S 20K 4
L
Fig. 1
SKG-18L SKG-18L SKG-18L SKG-18L
20K 1 20K 1 20K 1 20K 1
Available in TAPER PLUS Dual-taper and flange contact See pages 22-23
1.91" 1.91" 1.91" 1.91" 1.91" 2.17" 2.17"
- - - - - - -
SKG-22 20K 4 SKG-22 20K 5 SKG-22 20K 5 SKG-22 20K 5 SKG-22 20K 5 SKG-28 20K 5 SKG-28 20K 5
TAPER PLUS+ COMBINING TAPER ACCURACY WITH FLANGE RIGIDITY!
Note: "-IDU" type holders have a pre-machined counter-bore on the drive key to accept Balluff BIS-C122-04/L RFID chips (10 X 4.5mm size) CAT50 Part Number Collet Size Collet Range Wrench L
Back-Up Screw
Max. RPM Fig.
(mm) L L1 L2 D D1 D2
SK6 0.028 - 0.25" SKL-6W 105 4.13" 2.77" -
0.77" 2.75" -
SKG-8 SKG-8 SKG-8
20K 1 20K 2 20K 6 20K 1 20K 2 20K 3 20K 3
SK6 0.028 - 0.25" SKL-6W 165 6.50" 2.63" 5.11" 0.77" 1.26" 2.75" SK6 0.028 - 0.25" SKL-6W 195 7.68" 2.35" 6.29" 0.77" 1.97" 2.75"
SK10 0.035 - 0.394" SKL-10 105 4.13" 2.78" -
1.08" 2.75" -
SKG-12L
SK10 0.035 - 0.394" SKL-10 165 6.50" 3.20" 5.13" 1.08" 1.26" 2.75" SKG-12L
SK10 0.035 - 0.394" SKL-10 195 7.68" 2.95" - SK10 0.035 - 0.394" SKL-10 225 8.86" 2.97" - SK13 0.108 - 0.512" 016-SPAN 105 4.13" 2.77" - SK13 0.108 - 0.512" 016-SPAN 195 7.68" 3.62" - SK16 0.108 - 0.63" 9HC16 105 4.13" 2.75" - SK16 0.108 - 0.63" 9HC16 195 7.68" 3.51" - SK20 0.138 - 0.787" 9HC22 105 4.13" 2.75" - SK20 0.138 - 0.787" 9HC22 195 7.68" 6.29" - SK25 0.188 - 1.000" 9HC22 165 6.50" 5.12" - SK25 0.188 - 1.000" 9HC22 195 7.68" 6.29" -
1.08" 2.75" - 1.08" 2.75" - 1.30" 2.75" - 1.30" 2.75" - 1.58" 2.75" - 1.58" 2.75" - 1.91" 2.75" - 1.91" 2.75" - 2.17" 2.75" - 2.17" 2.75" -
SKG-12L SKG-12L
SKG-15 20K 1
SK13 0.108 - 0.512" 016-SPAN 165 6.50" 3.83" 5.13" 1.30" 1.73" 2.75" SKG-15 20K 2
SKG-15 20K 3
SKG-18L
20K 1 20K 2 20K 3
SK16 0.108 - 0.63" 9HC16 165 6.50" 3.72" 5.09" 1.58" 1.97" 2.75" SKG-18L
SKG-18L
SKG-22 20K 1 SKG-22 20K 1 SKG-28 15K 1 SKG-28 15K 1
• Outstanding Runout Accuracy for longer tool life • Vibration Dampening for increased productivity • High Rigidity for smooth and stable cutting
Note: Wrench and back-up screw not included.
SK Collets Pages 32-39
Wrenches Page 40
Back-up Screw Page 41
Coolant-thru Nuts Pages 37-39
14
847-367-4800
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