CK250S-3 Stainless Steel Double-Action Pneumatic Chuck for CNC Lathe - 75KN Clamping Force, 5.7mm Jaw Stroke
The CK250S-3 stainless steel double-action pneumatic chuck features a hollow structure designed for CNC lathe machines. With connection methods and dimensions conforming to national standards, this chuck can be installed with compatible spindle flanges for processing long bar-type mechanical parts across various machine tools.
Operation requires only a pressurized air source, with clamping and unclamping actions controlled through the machine tail mechanism.
| Model | Jaw Stroke (mm) | Max Static Clamping Force (KN) | Max Holding Force (KN) | Permissible Pressure (MPa) | Clamping Range (mm) | Holding Range (mm) | Weight (KG) |
|---|---|---|---|---|---|---|---|
| CK130S-3 | 3.6 | 25 | 16 | 0.4-0.8 | 3-140 | 15-140 | 8.8 |
| CK160S-3 | 4.2 | 42.3 | 23.5 | 0.4-0.8 | 2-170 | 20-180 | 15.7 |
| CK200S-3 | 5 | 62.5 | 35.6 | 0.4-0.8 | 5-210 | 20-240 | 24.9 |
| CK250S-3 | 5.7 | 75 | 39.5 | 0.4-0.8 | 10-260 | 30-280 | 36.7 |
| CK320S-3 | 8.5 | 128 | 73 | 0.4-0.8 | 10-350 | 40-360 | 68 |
| CK400S-3 | 12 | 175 | 98 | 0.4-0.8 | 15-420 | 50-430 | 140 |
Customized and OEM orders are welcome with no minimum order quantity. Customers need only provide logo drawings, function requirements, and color specifications.
Three-layer packaging includes outer wood craft case, middle foam protection against shaking, and inner thickening plastic bag for waterproofing.
Our packaging is designed to withstand all damage factors, and our shipping agents have extensive experience in safe transportation to 80 countries worldwide.
Technicians pre-install machines before shipping. For small parts installation, we provide detailed training videos and user manuals. 95% of customers can learn independently.
Contact us immediately and avoid self-repair attempts. We respond within 24 hours with technical support and free global regional training services.
We are an OEM factory with extensive experience and annual production capacity of 5,000,000 sets.
No MOQ required - we support orders from 1 set to 100 sets with full commitment.
Our QC includes skilled inspection teams during material purchasing and production, random sample testing, machine traceability, and ISO 9001 certification.
- Professional Factory: 20 years of specialized experience in manufacturing and exporting gears with advanced equipment and competitive pricing
- Quality Materials: High attention to material selection and quality control with twice-during-production checks and machine testing
- Technical Support: Custom size revisions available to meet your specific machine requirements
- Best Services: Maximum effort dedicated to customer satisfaction and support
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.