Slot 8 mm
EU 308
- Material
- Q195 carbon steel
- Part-number group
- XAHV21 / XAHV23
- Threads included
- M4, M5, M6, M8
M4–M8EU Profile VariantsSpring Leaf Variant
T-Nuts with Spring Leaf
XAHV21, XAHV23 and XAHV31 are post-assembly T-nuts for listed EU 30–50 profile rows. Tilt and roll the nut into the slot at the required position without profile-end access. The spring leaf provides temporary holding force before tightening.
Thread Sizes
M4 – M8
EU Profile Variants
EU 30–50
Type
Spring Leaf Variant
Part Codes
XAHV21 / XAHV23 / XAHV31
Part Number System
Full part numbers are composed of: Code + Series + M
XAHV31+308+6=XAHV31-308-6
Code
XAHV21
Carbon steel — nickel plated
XAHV23
Carbon steel — chrome plated
XAHV31
SUS304 — vibratory polished
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
Dimensions & Specifications
All dimensions in millimeters (mm).
Dimensions
| Code | Series | M | A | B | T | T1 | W | Compatible Profile |
|---|---|---|---|---|---|---|---|---|
| XAHV21 XAHV23 XAHV31 | 308 | 4 5 6 8 | 12.5 | 20 | 6 | 6.8 | 8 | EU 30 Slot 8mm |
| XAHV21 XAHV23 XAHV31 | 408 | 4 5 6 8 | 14 | 20 | 7 | 7.8 | 8 | EU 40 Slot 8mm |
| XAHV21 XAHV23 | 4010 4510 5010 | 4 5 6 8 | 15 | 20 | 6.5 | 7.5 | 10 | EU 40/45/50 Slot 10mm |
Technical documentation
Technical drawings
Select the matching profile series, material and part-number group. Open the PDF for a quick review or download the DWG for CAD use.
Slot 8 mm
EU 408
- Material
- Q195 carbon steel
- Part-number group
- XAHV21 / XAHV23
- Threads included
- M4, M5, M6, M8
Slot 10 mm
EU 4010
- Material
- Q195 carbon steel
- Part-number group
- XAHV21 / XAHV23
- Threads included
- M4, M5, M6, M8
PDF files open in a new tab. DWG files download directly. Dimensions are in millimeters; verify the selected series and thread before use.
Key Features
🌿
Spring Leaf Variant
The spring leaf provides temporary holding force before tightening and helps keep the nut in position, including in a vertical slot.
🔗
EU Profile Variants
Variants are listed for EU 30–50 profile series.
🎯
Material & Finish Options
XAHV21 is nickel-plated carbon steel, XAHV23 is chrome-plated carbon steel, and XAHV31 is vibratory-polished SUS304.
💪
Listed Dimensions
Compare the listed A, B, T, T1, and W values with the selected EU profile and slot geometry before ordering.
⚡
Profile & Thread Selection
Choose among the listed EU 30–50 profile series and M4, M5, M6, or M8 thread options using the product table.
🔄
Post-Assembly Installation
Tilt and roll the nut into the slot at the required position after the frame is assembled. Profile-end access is not required.
Typical Applications
🏭
Automated Machine Frames
Fasten brackets, panels, and accessories to compatible EU profile machine frames after verifying the selected variant.
🛡️
Industrial Safety Guards
Mount safety guards and protective panels to compatible profile frames after confirming the complete fastening arrangement.
🚚
Conveyor Systems
Fasten guide rails, sensor brackets, and accessories where the selected profile series and dimensions match the conveyor-frame design.
🏢
Modular Workstations
Attach work-surface components, monitor arms, and accessories to compatible profile workstation frames.
🔬
Laboratory and Technical Frames
Position compatible fasteners in laboratory benches and technical frames; confirm any controlled-environment requirements separately.
🎛️
Control Panel Assembly
Mount control panels, displays, and instrumentation where the listed profile series and fastening dimensions are suitable.
Technical FAQ
Related Products
More from T-Slot Nuts & Bolts: Types, Sizes and Selection
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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.
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