Sliding Nuts with Spring Ball
XAHB21 sliding nuts with spring ball are pre-assembly, end-feed nuts for listed EU profile rows. Insert them from an open profile end and slide them to position. The spring ball provides temporary holding force before tightening, including in a vertical slot.
Thread Sizes
M4 – M10
Profile Series
20 – 50 mm (EU)
Installation
End-Feed Installation
Part Codes
XAHB21
Part Number System
Full part numbers are composed of: Code + Series + M
Code
XAHB21
Carbon steel — zinc plated
Series
EU profile series number (e.g. 308 = EU 30 Slot 8 mm, 408 = EU 40 Slot 8 mm).
M
Thread Sizes: M4, M5, M6, M8, M10
Dimensions & Specifications
All dimensions in millimeters (mm).
End-Feed Installation
Insert the nut from an open profile end and slide it to the required position. It cannot be inserted from the middle of the slot.
Dimensions
| Code | Series | M | A | B | H | T | T1 | W | Compatible Profile |
|---|---|---|---|---|---|---|---|---|---|
| XAHB21 | 206 | 4 5 6 | 9.5 | 14 | 5.7 | 3 | 4.5 | 6 | EU 20 Slot 6mm |
| 308 | 4 5 6 8 | 16 | 20 | 9.3 | 6.3 | 7.8 | 8 | EU 30 Slot 8mm | |
| 408 | 4 5 6 8 | 17 | 22 | 11.5 | 6.6 | 9.6 | 8 | EU 40 Slot 8mm | |
| 4010 4510 5010 | 4 5 6 8 10 | 18 | 22 | 10.5 | 6 | 9 | 10 | EU 40/45/50 Slot 10mm |
Key Features
Spring-Ball Details
The spring ball provides temporary holding force before tightening and helps keep the nut in position, including in a vertical slot.
End-Feed Installation
Insert the nut from an open profile end and slide it to the required position. It cannot be inserted from the middle of the slot.
Listed EU Profile Rows
Verify the selected series, slot opening, thread, and dimensions against the applicable product source.
Variant Selection
Select by the listed profile row, slot opening, thread, material, finish, and dimensions.
Listed Material and Finish
XAHB21 is carbon steel with a zinc-plated surface finish.
Selection Information
Select the EU profile series, slot opening, metric thread and listed dimensions from the same product row.
Typical Applications
Vertical Slot Positioning
The spring ball helps hold the nut at the selected position before tightening, reducing downward sliding in a vertical profile.
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
Position compatible fasteners in laboratory benches and technical frames; confirm any controlled-environment requirements separately.
Technical FAQ
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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