SK COLLET CHUCKS
POLYGONAL TAPER SK COLLET CHUCKS FEATURES
T.I.R. ≤0.0002 " at 4xD Speed Up to 15,000 rpm
• Extremely stable and rigid connection between tool and the machine • High torque and bending forces transmission due to simultaneous tapered polygon and face contact with machine spindle • Self centering ability due to unique design • Internal coolant supply, directly to the tool tip • Best solution for all processes - both in turning and milling • Modular design for flexible tooling • Standardized interface as per ISO 26623
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.
C4/C5/C6 Part Number Collet Size
D
Collet Range Wrench
L (mm) L L1 D
Back-Up Screw
Max. RPM Fig.
C4-SK6-60-IDU C4-SK10-60-IDU C4-SK13-60-IDU C4-SK16-60-IDU C4-SK20-75-IDU C5-SK6-60-IDU C5-SK10-60-IDU C5-SK13-60-IDU C5-SK16-60-IDU C5-SK20-75-IDU C5-SK25-75-IDU C6-SK6-60-IDU C6-SK6-90-IDU C6-SK6-120-IDU C6-SK10-60-IDU C6-SK10-90-IDU C6-SK10-120-IDU C6-SK13-60-IDU C6-SK13-90-IDU C6-SK13-120-IDU C6-SK16-60-IDU C6-SK16-90-IDU C6-SK16-120-IDU C6-SK20-70-IDU C6-SK20-90-IDU C6-SK20-120-IDU C6-SK25-75-IDU C6-SK25-90-IDU C6-SK25-120-IDU
SK6 0.028 - 0.25" SKL-6W 60 2.36" 1.60" 0.77" SKG-8 15K 19 SK10 0.035 - 0.394" SKL-10 60 2.36" 1.60" 1.08" SKG-12L 15K 19
L1
L
SK13 0.108 - 0.512" 016-SPAN 60 2.36" 1.59" 1.30"
- - -
15K 19 15K 20 15K 20
SK16 0.108 - 0.63" 9HC16 60 2.36" - SK20 0.138 - 0.787" 9HC22 75 2.95" -
1.58" 1.91"
SK6 0.028 - 0.25" SKL-6W 60 2.36" 1.60" 0.77" SKG-8 15K 19 SK10 0.035 - 0.394" SKL-10 60 2.36" 1.60" 1.08" SKG-12L 15K 19
SK13 0.108 - 0.512" 016-SPAN 60 2.36" 1.59" 1.30" SK16 0.108 - 0.63" 9HC16 60 2.36" 1.55" 1.58" SK20 0.138 - 0.787" 9HC22 75 2.95" 2.16" 1.91"
- - - -
15K 19 15K 19 15K 19 15K 20
Fig. 19
SK25
0.188 - 1" 9HC22 75 2.95" -
2.17"
D
SK6 0.028 - 0.25" SKL-6W 60 2.36" 1.51" 0.77" SKG-8 15K 19 SK6 0.028 - 0.25" SKL-6W 90 3.54" 2.66" 0.77" SKG-8 15K 19 SK6 0.028 - 0.25" SKL-6W 120 4.72" 3.84" 0.77" SKG-8 15K 19 SK10 0.035 - 0.394" SKL-10 60 2.36" 1.50" 1.08" SKG-12L 15K 19 SK10 0.035 - 0.394" SKL-10 90 3.54" 2.69" 1.08" SKG-12L 15K 19 SK10 0.035 - 0.394“ SKL-10 120 4.72" 3.88" 1.08" SKG-12L 15K 19
L
SK13 0.108 - 0.512" 016-SPAN 60 2.36" 1.50" 1.30"
-
15K 19
SK13 0.108 - 0.512" 016-SPAN 90 3.54" 2.68" 1.30" SKG-15 15K 19 SK13 0.108 - 0.512" 016-SPAN 120 4.72" 3.87" 1.30" SKG-15 15K 19
SK16 0.108 - 0.63" 9HC16 60 2.36" 1.47" 1.58"
-
15K 19
Fig. 20
SK16 0.108 - 0.63" 9HC16 90 3.54" 2.65" 1.58" SKG-18L 15K 19 SK16 0.108 - 0.63" 9HC16 120 4.72" 3.82" 1.58" SKG-18L 15K 19
SK20 0.138 - 0.787" 9HC22 70 2.76" 1.89" 1.91"
-
15K 19
SK20 0.138 - 0.787" 9HC22 90 3.54" 2.68" 1.91" SKG-22 15K 19 SK20 0.138 - 0.787" 9HC22 120 4.72" 3.84" 1.91" SKG-22 15K 19
SK25 0.188- 1.000" 9HC22 75 2.95" 2.08" 2.17"
-
15K 19
SK25 0.188- 1.000" 9HC22 90 3.54" 2.68" 2.17" SKG-28 15K 19 SK25 0.188- 1.000" 9HC22 120 4.72" 3.84" 2.17" SKG-28 15K 19
Note: • Wrench and back-up screw not included. Coolant tube and coolant tube wrench are sold separately. See page 27 for details. • "-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)
SK Collets Pages 32-39
Wrenches Page 40
Back-up Screw Page 41
Coolant-thru Nuts Pages 37-39
31
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