| Customized: | Non-Customized |
|---|---|
| Usage: | Metal Drilling, Masonry Drilling, Well Drilling |
| Material: | Zinc Alloy |
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Diameter: 3″ (80 mm).
Centering Mechanism: The Scroll plate ensures all three jaws move simultaneously for fast workpiece alignment.
Mounting: Plain back or threaded (3/4″×16 TPI or 1″×8 TPI) compatible with standard mini-lathe spindles.
Material: High-grade tool steel body with hardened jaws for wear resistance.
Key & Jaw Sets Included: Comes with inside and outside jaws plus T-key for tightening.
Diameter: 60mm.
Independent Jaws: Each jaw adjusts separately, allowing off-center work and gripping of square or hex stock.
Mounting Pattern: Plain back with 4-bolt mounting to mini-lathe spindle plate.
Material: Case-hardened steel construction for durability.
Accessories: Chuck key and set of inside/outside jaws included.
| Feature | 3-Jaw Chuck | 4-Jaw Chuck |
|---|---|---|
| Diameter | 60mm | 60mm |
| Material | Zinc Alloy | Zinc Alloy |
| Weight | 190g | 195g |
Fast Self-Centering: Three-jaw chuck auto-centers round stock in seconds, boosting throughput.
Precise Independent Gripping: Four-jaw chuck allows exact centering of irregular shapes and controlled eccentric turning.
Versatile Mounting: Supports threaded and plain-back configurations for wide lathe compatibility.
Durable Construction: Hardened steel bodies and jaws resist wear under high clamping forces.
Complete Kit: Comes with multiple jaw sets and chuck keys to handle inside and outside gripping.
Woodturning & Model Making: Securely hold small dowels, spindles, and finials for precision shaping.
Machining Non-Round Stock: Four-jaw chuck excels at gripping hex bars, square billets, and odd-shaped workpieces.
Prototype & Repair Work: Quickly adapt between round centering and custom jaw setups for varied tasks.
Educational & Hobbyist Lathes: Ideal for miniature lathes in workshops, classrooms, and makerspaces.
Initial Setup: Clean spindle and chuck back, then mount with proper torque on mounting screws or spindle threads.
Jaw Installation: Ensure inside/outside jaws are correctly oriented before hand-tightening the chuck key.
Runout Check: Use a dial indicator to verify runout; adjust the four-jaw chuck manually to minimize runout for critical operations.
Lubrication: Apply light machine oil to the scroll plate (3-jaw) and dovetail slides (4-jaw) to maintain smooth motion.
Jaw Care: Periodically remove and clean jaws to prevent debris buildup that can affect centering accuracy.
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