Description
UNNAT 3 Jaw Self-Centering Manual Reversible Jaws Type Chuck Drawing
Explore the detailed drawing for precise dimensions and configurations of UNNAT chucks:
Body: High tensile, wear-resistant cast iron, suitable for both front and back mounting.
Scroll: Alloy steel hardened scroll with threads ground from both sides for accuracy.
Jaws: Case-hardened steel jaws, precisely ground for enhanced precision.
Pinion: Made from hardened alloy steel for durability and strength.
Standard Accessories: Includes one set of reversible jaws, two key handles, and three front mounting bolts.
Reversible Jaw Type Chuck Specifications (mm)
| Size (mm) | d1 | d2 | d3 | d4 | d5 | d6 | h1 | k | t | Approx. Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 80 | 82 | 71 | 62 | M-6 | 19 | M-5 | 43 | 6 | 3 | 2 |
| 100 | 102 | 87 | 76 | M-8 | 23 | M-6 | 48 | 8 | 3 | 3 |
| 125 | 125 | 108 | 95 | M-8 | 32 | M-8 | 55 | 9 | 4 | 5 |
| 160 | 160 | 140 | 125 | M-10 | 42 | M-10 | 73 | 11 | 4 | 9 |
| 200 | 200 | 176 | 160 | M-10 | 55 | M-10 | 73 | 11 | 4 | 16 |
| 250 | 250 | 224 | 200 | M-12 | 76 | M-12 | 90 | 14 | 5 | 30 |
| 315 | 315 | 286 | 260 | M-16 | 103 | M-16 | 90 | 14 | 5 | 50 |
| 400 | 400 | 362 | 330 | M-16 | 153 | M-16 | 110 | 18 | 7 | 75 |
| 510 | 510 | 458 | 420 | M-16 | 205 | M-16 | 110 | 18 | 7 | 120 |
| 610 | 610 | 558 | 520 | M-16 | 275 | M-16 | 110 | 18 | 7 | 160 |
Key Features of the UNNAT 3 Jaw Self-Centering Manual Chuck
- Reversible Jaws: Allows for flexible clamping options to accommodate various workpiece shapes.
- Bolt-on Top Design: Ensures easy installation and removal while providing enhanced stability.
- High Precision: Engineered for accurate self-centering to improve machining efficiency.
- Durable Construction: Made from high-quality materials to withstand rigorous machining conditions.
Applications of the UNNAT 3 Jaw Self-Centering Manual Chuck
- CNC Machining Centers: Ideal for precision machining tasks in various industries.
- Metal Fabrication: Provides reliable clamping for metalworking operations.
- Woodworking: Versatile solution for securely holding wood pieces during machining.
Order the Best 3 Jaw Self-Centering Chuck Today
Select the model and jaw configuration that best suits your CNC machining needs. Whether you need reversible jaws or bolt-on top jaws, CNC Support offers superior clamping solutions across a variety of sizes to enhance your machining performance.
Out of Stock or Need a Different Size? Enquire with CNC Support Today!
If an item is out of stock, don’t worry! It may already be en route in an upcoming shipment. For special orders, custom sizes, or urgent stock inquiries, get in touch with CNC Support for tailored solutions to fit your requirements. Your needs are our priority!


