
Features
Repeating Accuracy
Model |
Number of Jaws |
Repeating Accuracy |
Chuck Diameter |
Through Hole |
Jaw Stroke |
Actuator Stroke |
Max. Draw Tube Force |
Max. Clamp Force |
Max. Speed |
Chuck Weight |
Moment of Inertia |
|---|---|---|---|---|---|---|---|---|---|---|---|
| KSF-08/QC | 3 | 0.0001 in0.0025 mm | 8.25 in210 mm | 2.598 in66 mm | 0.299 in7.6 mm | 0.709 in18 mm | 8,540 lbs38 kN | 21,130 lbs94 kN | 5,000 rpm | 52 lb23.6 kg | 13.5 lb-ft²0.57 kg-m² |
| KSF-10/QC | 3 | 0.0001 in0.0025 mm | 10 in254 mm | 3.228 in82 mm | 0.335 in8.5 mm | 0.787 in20 mm | 11,240 lbs50 kN | 26,970 lbs120 kN | 4,500 rpm | 88.2 lb40 kg | 31.09 lb-ft²1.31 kg-m² |

Features
Repeating Accuracy
Model |
Number of Jaws |
Repeating Accuracy |
Chuck Diameter |
Through Hole |
Jaw Stroke |
Actuator Stroke |
Max. Draw Tube Force |
Max. Clamp Force |
Max. Speed |
Chuck Weight |
Moment of Inertia |
|---|---|---|---|---|---|---|---|---|---|---|---|
| KSF-08/RC | 3 | 0.0004 in0.01 mm | 8.25 in210 mm | 2.598 in66 mm | 0.299 in7.6 mm | 0.709 in18 mm | 8,540 lbs38 kN | 21,130 lbs94 kN | 5,000 rpm | 52 lb23.6 kg | 13.5 lb-ft²0.57 kg-m² |
| KSF-10/RC | 3 | 0.0004 in0.01 mm | 10 in254 mm | 3.228 in82 mm | 0.335 in8.5 mm | 0.787 in20 mm | 11,240 lbs50 kN | 26,970 lbs120 kN | 4,500 rpm | 88.2 lb40 kg | 31.09 lb-ft²1.31 kg-m² |
Blank QC Top Jaws are made from A-2 tool steel. The tapered locating holes are precision jig bored for accurate location. QC jaws can be heat treated with minimal distortion to a hardness up to Rc 62. Special QC Top Jaws are quoted upon request.
QC jaw turning fixtures simulate the locating pattern of a QC chuck. They are used to rough machine Blank QC Top Jaws off-line to maximize a machine’s production capacity. The clamping position of the jaw turning fixture is set in the middle of the chuck’s stroke. Other positions are available upon request.
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Blank QC Top Jaws are made from A-2 tool steel. The tapered locating holes are precision jig bored for accurate location. QC jaws can be heat treated with minimal distortion to a hardness up to Rc 62. Special QC Top Jaws are quoted upon request.
Model |
Chuck |
Material |
A Dimension |
B Dimension |
C Dimension |
Weight |
|---|---|---|---|---|---|---|
| QK8-150S | KSF-08/QC | A-2 | 1.50 in38.1 mm | 3.90 in99.1 mm | 1.50 in38.1 mm | 2.10 lb1.0 kg |
| QK8-200S | KSF-08/QC | A-2 | 1.50 in38.1 mm | 3.90 in99.1 mm | 2.00 in50.8 mm | 2.80 lb1.3 kg |
| QK8-300S | KSF-08/QC | A-2 | 1.50 in38.1 mm | 3.90 in99.1 mm | 3.00 in76.2 mm | 4.10 lb1.9 kg |
| QK10-200S | KSF-10/QC | A-2 | 1.75 in44.5 mm | 4.70 in119.4 mm | 2.00 in50.8 mm | 3.90 lb1.8 kg |
| QK10-300S | KSF-10/QC | A-2 | 1.75 in44.5 mm | 4.70 in119.4 mm | 3.00 in76.2 mm | 6.90 lb2.7 kg |