Description
UNNAT 3 Jaw Self-Centering Manual Chuck – Precision Workholding Solutions
The UNNAT 3 Jaw Self-Centering Manual Chuck is designed for high accuracy and efficiency in CNC machining. This versatile chuck is available in multiple sizes—80mm, 100mm, 160mm, 200mm, 250mm, 315mm, 400mm, 510mm, and 610mm—making it suitable for various applications. With reversible jaws and a bolt-on top design, this chuck ensures secure clamping for a range of workpieces.
Available Models for UNNAT 3 Jaw Self-Centering Manual Chuck
- 80mm – Ideal for small, detailed workpieces, providing excellent precision in machining.
- 100mm – Perfect for compact CNC setups requiring accurate clamping.
- 160mm – Suited for medium-sized applications, offering reliable clamping force.
- 200mm – A versatile option for a range of machining tasks, providing stability and accuracy.
- 250mm – Perfect for larger components, ensuring secure and stable clamping during operations.
- 315mm – Designed for heavier workpieces, delivering robust clamping performance for CNC tasks.
- 400mm – Built for demanding applications, providing enhanced precision and accuracy.
- 510mm – Ideal for substantial workpieces, ensuring a secure grip and stability during machining.
- 610mm – Provides maximum size for large-scale machining, ensuring a stable and firm hold for heavy-duty operations.
UNNAT 3 Jaw Self-Centering Manual Bolt on Top Jaws Chuck Drawing
Explore the detailed drawing for precise dimensions and configurations of UNNAT chucks:
Bolt On Top Jaw Chuck Specifications (2026)
| Size (mm) | A | B | C | D | E | F | P | G | H | J | K |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 160 | 160 | 70 | 42 | 48 | 28.8 | 72 | 32 | 140 | 125 | 6 | M10 |
| 200 | 200 | 78 | 55 | 53 | 30.5 | 85 | 36 | 176 | 160 | 7 | M10 |
| 250 | 250 | 86 | 70 | 55 | 30.5 | 102 | 40 | 224 | 200 | 7 | M12 |
| 315 | 315 | 88 | 105 | 60 | 35.25 | 116 | 45 | 286 | 260 | 7 | M12 |
| 400 | 400 | 95 | 155 | 74 | 42 | 150 | 70 | 362 | 330 | 7 | M16 |
Jaws now use imperial tongue and groove design.
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!

