YZXQ :: Ball Screw Nuts
DFI Series Double Cylindrical Ball Nuts
Double cylindrical nuts for preloaded custom housings.
DFI1604-4 – DFI8010-6Overview
DFI nuts combine two cylindrical nut bodies for preload in a housing the machine builder machines to suit. The flangeless design keeps the carriage narrow while retaining the rigidity of a double nut.
Key Features
- Double nut preload
- Cylindrical body, no flange
- Screw diameters from 16 mm to 80 mm
- Narrow carriage profile
Technical Specifications
Reference dimensions per model — request the full datasheet
| Model | Shaft d (mm) | Lead (mm) |
|---|---|---|
| DFI1604-4 | 16 | 4 |
| DFI1605-3 | 16 | 5 |
| DFI1605-4 | 16 | 5 |
| DFI1610-3/2 | 16 | 10 |
| DFI2005-3 | 20 | 5 |
| DFI2005-4 | 20 | 5 |
| DFI2010-3/2 | 20 | 10 |
| DFI2505-3 | 25 | 5 |
| DFI2505-4 | 25 | 5 |
| DFI2510-4/2 | 25 | 10 |
| DFI2510-4 | 25 | 10 |
| DFI3205-4 | 32 | 5 |
| DFI3210-4 | 32 | 10 |
| DFI4005-4 | 40 | 5 |
| DFI4010-4 | 40 | 10 |
| DFI5010-4 | 50 | 10 |
| DFI6310-4 | 63 | 10 |
| DFI8010-4 | 80 | 10 |
| DFI8010-6 | 80 | 10 |
Full datasheets with exact dimensions, load ratings and tolerances are available on request — contact us with your model list for the complete specification.
Material Options
- GCr15 nut body
- Bearing steel balls
- Polymer recirculation insert
Customization Options
- Custom outside diameter
- Preload class to drawing
- Wiper and seal kits
- Screw and support kit supply
RFQ
Send Us an Inquiry
Reference dimensions per model — request the full datasheet
Inquire via WhatsAppRelated Products
SFU1204-4 – SFU10020-4SFU Series Flanged Ball Screw Nuts
Single flanged ball nuts with internal recirculation for general CNC axes.
View Details
DFU1604-4 – DFU10020-4DFU Series Double Flanged Ball Nuts
Double-nut flanged ball nuts for higher rigidity and adjusted preload.
View Details
SFI1604-4 – SFI8010-6SFI Series Cylindrical Ball Screw Nuts
Flangeless cylindrical nuts for housings machined by the machine builder.
View Details