Roll-in T-Nuts with Spring Ball
XAHJ21 and XAHJ23 are post-assembly roll-in T-nuts with a spring ball for the listed EU 20–45 profile series. Select by profile series, slot opening, thread, and the dimensions shown in the table.
Thread Sizes
M3 – M8
EU Profile Options
20 – 45 mm (EU)
Installation
Spring Ball Variant
Part Codes
XAHJ21 / XAHJ23
Part Number System
Full part numbers are composed of: Code + Series + M
Code
XAHJ21
Carbon steel — zinc plated
XAHJ23
Carbon steel — chrome plated
Series
EU profile series number (e.g. 308 = EU 30 Slot 8 mm, 408 = EU 40 Slot 8 mm).
M
Thread diameter (M3, M4, M5, M6, M8).
Dimensions & Specifications
All dimensions in millimeters (mm).
Dimensions
| Code | Series | M | A | B | T | T1 | W | Compatible Profile |
|---|---|---|---|---|---|---|---|---|
| XAHJ21 XAHJ23 | 206 | 3 4 5 | 8.5 | 17 | 3.5 | 4 | 6 | EU 20 Slot 6mm |
| 308 | 3 4 5 6 | 11.5 | 17 | 6.5 | 7 | 8 | EU 30 Slot 8mm | |
| 4010 | 4 5 6 8 | 14.5 | 20 | 6.5 | 7 | 10 | EU 40/45 Slot 10mm |
Key Features
Spring Ball Variant
The spring ball provides temporary holding force before tightening and helps keep the nut in position, including in a vertical slot.
Post-Assembly Family
Tilt and roll the nut into the slot at the required position after the frame is assembled. Profile-end access is not required.
EU Profile Options
Variants are listed for EU 20, 30, 40 and 45 profile series.
Listed Dimensions
Compare the listed A, B, T, T1, and W values with the selected EU profile and slot geometry before ordering.
Material & Finish Options
XAHJ21 is zinc-plated carbon steel and XAHJ23 is chrome-plated carbon steel.
Selection Check
Select the profile series, slot opening, thread size, and dimensions together; verify the complete fastening arrangement before use.
Typical Applications
Orientation-Sensitive Assemblies
For vertical, overhead, or inverted assemblies, confirm the required positioning behavior and the complete fastening arrangement before use.
Automated Machine Frames
Use with compatible EU profile machine frames for sensor brackets, cable-management hardware, and panel mounting after verifying the selected variant.
Industrial Safety Guards
Mount safety guards and protective panels to compatible EU profile frames after confirming the profile and fastening requirements.
Conveyor Systems
Fasten guide rails, sensor mounts, and accessories where the listed EU profile series and dimensions match the conveyor-frame design.
Modular Workstations
Attach work-surface components, tool holders, and accessories to compatible EU profile workstation frames.
Exhibition Structures
Mount display panels, lighting, and signage where the listed EU profile series and fastening dimensions are suitable.
Technical FAQ
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Sliding Nuts
End-feed XAHN sliding nuts for listed GB and EU profiles. Insert them from an open profile end and slide them to position; select by profile, slot opening, thread, finish, and dimensions.
XAHB21
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End-feed XAHB21 sliding nuts for listed EU profiles. Insert them from an open profile end; the spring ball provides temporary holding force before tightening.
Compare T-slot nut families
Use the installation method, profile access and exact product row to narrow the selection.
Ready to Get Started?
Send the product code, quantity, profile details, destination, and required documents for source review and quotation