K11-160 6" 3-Jaw Self-Centering Lathe Chuck – 160mm Manual
K11-160 6" 3-Jaw Self-Centering Lathe Chuck – 160mm Manual
K11-160 6" 3-Jaw Self-Centering Lathe Chuck
Upgrade your lathe, milling, or grinding machine with the Sanou K11-160 6-Inch 3-Jaw Self-Centering Chuck. Engineered from nodular cast iron with hardened steel jaws, this manual scroll chuck delivers a centering precision of 0.05mm — making it ideal for machinists, hobbyists, and professional workshops who demand accuracy and durability in every workholding operation.
Key Features
- Self-Centering Design: 3-jaw scroll mechanism centers your workpiece automatically for fast, consistent setups
- Dual Jaw Set: Includes both internal and external jaws for versatile workholding — grip round bars, tubes, and irregular stock with ease
- Nodular Cast Iron Body: High-strength, vibration-damping chuck body built for long service life under heavy machining loads
- Hardened Steel Jaws: Wear-resistant jaws maintain grip and precision over thousands of operations
- Wide Clamping Range: Internal clamping 3–55mm; external (hold-tight) range 50–160mm — handles a broad variety of workpiece sizes
- High-Speed Rated: Rated up to 3,600 RPM for efficient turning, drilling, and milling operations
- Manual Operation: No power source required — wrench-operated for direct, tactile control
- Compatible Applications: Suitable for lathes, milling machines, grinding machines, and drill presses
Specifications
| Model | K11-160 |
| Brand | Sanou |
| Chuck Diameter | 160mm (6") |
| Number of Jaws | 3 |
| Chuck Material | Nodular Cast Iron |
| Jaw Material | Hardened Steel |
| Internal Clamping Range | 3–55mm |
| External Hold-Tight Range | 50–160mm |
| Centering Precision | 0.05mm |
| Max RPM | 3,600 r/min |
| Power Type | Manual |
| Country of Origin | Made in China |
What's in the Box
- K11-160 Chuck Body — 1 set
- Internal Jaws — 1 set
- External Jaws — 1 set
- Chuck Wrench — 1 piece
- Mounting Screws — 3 pieces
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Frequently Asked Questions
Q: What machines is the K11-160 6" 3-jaw chuck compatible with?
A: The K11-160 self-centering chuck is designed for use with lathes, milling machines, grinding machines, and drill presses. Always verify your machine's spindle mount and backplate specifications before installing to ensure a proper fit.
Q: What is the difference between internal and external jaws on the K11-160 chuck?
A: The internal jaws (step jaws) grip workpieces from the outside, with a clamping range of 3–55mm — ideal for solid round bars and small-diameter stock. The external jaws expand outward to hold workpieces from the inside (bore gripping), with a hold-tight range of 50–160mm, making them suitable for rings, tubes, and larger-diameter parts.
Q: What centering accuracy can I expect from this lathe chuck?
A: The K11-160 offers a centering precision of 0.05mm, which is well-suited for general-purpose turning, drilling, and milling tasks where consistent and repeatable workpiece positioning is essential.
Q: Is this chuck suitable for high-speed machining?
A: Yes. The K11-160 is rated for a maximum spindle speed of 3,600 RPM, making it appropriate for a wide range of standard turning and milling operations. Always ensure the workpiece is securely clamped and balanced before operating at higher speeds.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.