Square Nuts
XAHE square nuts are pre-assembly, end-feed nuts for listed GB profile rows. Insert them from an open profile end and slide them to position; they cannot be inserted from the middle of the slot. Select by profile series, slot opening, thread, material, finish, and listed dimensions.

Thread Sizes
M4 – M8
Profile Series
GB 30 & GB 40
Shape
Square
Part Codes
XAHE21 / XAHE31
Part Number System
Full part numbers are composed of: Code + Series + M
Code
XAHE21
Carbon steel — zinc plated
XAHE31
SUS304 — vibratory polished
Series
Review the listed GB profile rows and verify the selected series, slot opening, thread, and dimensions.
M
Thread Sizes: M4, M5, M6, M8
Dimensions & Specifications
All dimensions in millimeters (mm).
No Temporary Retention
This family has no spring ball or spring leaf. Support the nut during vertical positioning until the bolt begins to engage.
Dimensions

| Code | Series | M | A | T | Compatible Profile |
|---|---|---|---|---|---|
| XAHE21 | G306 | 4 5 6 | 10 | 5 | GB 30 Slot 6mm |
| XAHE21 | G408 | 4 5 6 8 | 13.9 | 5.5 | GB 40 Slot 8mm |
| XAHE31 | G306 | 5 6 | 10 | 5 | GB 30 Slot 6mm |
| XAHE31 | G408 | 6 8 | 13.9 | 5.5 | GB 40 Slot 8mm |
Key Features
Square Body Design
The listed XAHE variants use square-body geometry. Confirm the body and slot dimensions for the selected product row.
Listed GB Profile Rows
Review the listed GB profile rows and verify the selected series, slot opening, thread, and dimensions.
End-Feed Installation
Insert the square nut from an open profile end and slide it to the required position. It cannot be inserted from the middle of the slot.
No Temporary Retention
This family has no spring ball or spring leaf. Support the nut during vertical positioning until the bolt begins to engage.
Listed GB Dimensions
Select by GB profile series, slot opening, thread, material, finish, and the dimensions shown in the table.
Material and Finish Options
XAHE21 is carbon steel with zinc plating. XAHE31 is SUS304 with vibratory polishing.
Typical Applications
GB Profile 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.
Exhibition Structures
Potential profile-frame application; confirm suitability for the selected variant and complete assembly.
General Industrial Assembly
Use only where the listed profile, slot, thread, dimensions, material, finish, and installation requirements are suitable.
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.
Ready to Get Started?
Send the product code, quantity, profile details, destination, and required documents for source review and quotation
