T-Nuts with Spring Ball
XAHI T-nuts with spring ball are listed for EU profile rows. All listed variants are inserted from either end of the profile and slid to position; they are not drop-in nuts. The spring ball helps hold the nut in position before tightening, including in vertical profiles.
Thread Sizes
M3 – M8
Profile Series
20 – 40 mm (EU)
Installation
End-feed only · Not drop-in
Part Codes
XAHI21 / XAHI23 / XAHI31
Part Number System
Full part numbers are composed of: Code + Series + M
Code
XAHI21
Carbon steel — zinc plated
XAHI23
Carbon steel — chrome plated
XAHI31
SUS304 — vibratory polished
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).
Assembly Planning
Confirm the selected variant, profile row, fastening arrangement, and required assembly access before ordering.
Dimensions
| Code | Series | M | A | B | T | T1 | W | Compatible Profile |
|---|---|---|---|---|---|---|---|---|
| XAHI21 XAHI23 | 206 | 3 4 5 | 8.2 | 13 | 3.9 | 4.4 | 6 | EU 20 Slot 6mm |
| 308 | 4 5 6 | 12 | 20 | 6.2 | 7 | 8 | EU 30 Slot 8mm | |
| 408 | 3 4 5 6 8 | 13.2 | 21 | 6.9 | 7.7 | 5 | EU 40 Slot 8mm | |
| XAHI31 | 308 | 5 6 | 11.5 | 20 | 6 | 7 | 8 | EU 30 Slot 8mm |
| 408 | 6 8 | 13 | 22 | 6.5 | 7.5 | 8 | EU 40 Slot 8mm |
Key Features
Spring Ball Positioning
The spring ball provides temporary holding force before tightening and helps keep the nut from sliding downward in a vertical profile. Final clamping force comes from the tightened bolt.
Listed EU Profile Rows
Review the listed EU profile rows and verify the selected series, slot opening, thread, and dimensions.
End-Feed Installation
All listed variants are inserted from either end of the profile and slid to the required position. They are not drop-in nuts.
Listed EU Dimensions
Select by EU profile series, slot opening, thread, material, finish, and the dimensions shown in the table.
Multiple Material Options
XAHI21 and XAHI23 are carbon steel with zinc or chrome plating. XAHI31 is SUS304 with vibratory polishing.
Assembly Planning
Confirm the selected variant, profile row, fastening arrangement, and required assembly access before ordering.
Typical Applications
Slot Positioning
Feed the nut from either end of a compatible profile, then slide it to the required fastening position.
Automated Machine Frames
Potential profile-frame application; confirm suitability for the selected variant and complete assembly.
Industrial Safety Guards
Potential profile-frame application; confirm suitability for the selected variant and complete assembly.
Conveyor Systems
Potential profile-frame application; confirm suitability for the selected variant and complete assembly.
Modular Workstations
Potential profile-frame application; confirm suitability for the selected variant and complete assembly.
Laboratory and Technical Frames
Potential profile-frame application; confirm suitability for the selected variant, complete assembly, and environment.
Technical FAQ
Related Products
More from T-Slot Nuts & Bolts: Types, Sizes and Selection
XAHQ21 · XAHQ22 …
Roll-in T-Nuts
Post-assembly XAHQ roll-in T-nuts for listed GB and EU profiles. Tilt and roll them into the slot without profile-end access; select by profile, slot opening, thread, finish, and dimensions.
XAHJ21 · XAHJ23
Roll-in T-Nuts with Spring Ball
Post-assembly XAHJ roll-in T-nuts for listed EU profiles. Tilt and roll them into the slot; the spring ball provides temporary holding force before tightening.
XAHN21 · XAHN23 …
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
Sliding Nuts with Spring Ball
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