
T-Nut Sliding
Rectangular-bodied T-slot nuts inserted from the open end of aluminium extrusion profiles and slid to position. The flat body matches the slot cross-section for even load distribution and built-in anti-rotation in pre-assembled framing connections.
Specification
#
Material
Carbon steel (zinc plated), stainless steel
Thread Sizes
M3 to M12 (metric); 1/4-20, 5/16-18 (imperial)
Slot Width Compatibility
6 mm, 8 mm, 10 mm (matching profile series)
Insertion Method
Slide-in from profile end only
Body Shape
Rectangular (matches T-slot cross-section)
Anti-Rotation
Built-in via flat sides matching slot walls
Dimension
#
Profile Series
Slot Width (mm)
Thread
Length (mm)
Width (mm)
Height (mm)
2020
6
M4, M5
15–20
10
5–6
3030
8
M5, M6
20
14
6–8
4040
8
M6, M8
20
20
9
4040
10
M8
20
20
9
4545
10
M8
20
20
9
- Representative dimensions for common profile series.
Benefits
#
Sliding T-nuts provide the strongest hold among T-nut types by fully engaging the T-slot cross-section with a flat rectangular body. Unlike drop-in or hammer nuts, the sliding design distributes bolt clamping force evenly across both slot walls, maximising pull-out resistance for structural and heavy-duty mounting applications. The flat sides act as a built-in anti-rotation mechanism, eliminating the need for serrations or spring mechanisms that can wear or fail over time. Lower manufacturing cost compared to spring-loaded or drop-in variants makes sliding T-nuts the economical choice for initial frame assembly. The trade-off is that they must be pre-loaded from the profile end before assembly, which requires planning connection points in advance. For CNC frames, machine enclosures, and industrial workstations built from scratch, sliding T-nuts deliver reliable, cost-effective fastening at every joint.
Common Applications
#
Sliding T-nuts are used during initial assembly of T-slot aluminium extrusion frames where pre-insertion from the profile end is practical.
- Initial frame assembly of modular aluminium structures
- CNC machine frames
- 3D printer frames
- Industrial workstations and enclosures
- Automation equipment
- Robotic structures
- Machine guards
- Heavy-duty mounting and support
Read Me
| Material | Carbon steel (zinc plated), stainless steel |
| Thread Sizes | M3 to M12 (metric); 1/4-20, 5/16-18 (imperial) |
| Slot Width Compatibility | 6 mm, 8 mm, 10 mm (matching profile series) |
| Insertion Method | Slide-in from profile end only |
| Body Shape | Rectangular (matches T-slot cross-section) |
| Anti-Rotation | Built-in via flat sides matching slot walls |
| Profile Series | Slot Width (mm) | Thread | Length (mm) | Width (mm) | Height (mm) |
|---|---|---|---|---|---|
| 2020 | 6 | M4, M5 | 15–20 | 10 | 5–6 |
| 3030 | 8 | M5, M6 | 20 | 14 | 6–8 |
| 4040 | 8 | M6, M8 | 20 | 20 | 9 |
| 4040 | 10 | M8 | 20 | 20 | 9 |
| 4545 | 10 | M8 | 20 | 20 | 9 |