40x80 Aluminium Extrusion, 40 I-type slot 8
The 40x80 aluminium extrusion (40 I-type slot 8) measures 40 mm × 80 mm; its slots open 8 mm wide and its cores are bored 6.8 mm. Get it as 14 lengths from 100 to 2000 mm, each as simplified and detailed STEP.

How these parts are made, and what the levels mean: read the method
- Also searched as: 40x80 extrusion, 40x80 x 100 to 40x80 x 2000 extrusions
- Model id:
extrusions-40-i8-40x80
- Standard: 40 I-type slot 8 · size 40x80
Lengths
| Length (mm) | Part key | Simplified | Detailed |
|---|
| 100 | extrusions-40-i8-40x80x100 | STEP | STEP |
| 150 | extrusions-40-i8-40x80x150 | STEP | STEP |
| 200 | extrusions-40-i8-40x80x200 | STEP | STEP |
| 250 | extrusions-40-i8-40x80x250 | STEP | STEP |
| 300 | extrusions-40-i8-40x80x300 | STEP | STEP |
| 350 | extrusions-40-i8-40x80x350 | STEP | STEP |
| 400 | extrusions-40-i8-40x80x400 | STEP | STEP |
| 450 | extrusions-40-i8-40x80x450 | STEP | STEP |
| 500 | extrusions-40-i8-40x80x500 | STEP | STEP |
| 600 | extrusions-40-i8-40x80x600 | STEP | STEP |
| 750 | extrusions-40-i8-40x80x750 | STEP | STEP |
| 1000 | extrusions-40-i8-40x80x1000 | STEP | STEP |
| 1500 | extrusions-40-i8-40x80x1500 | STEP | STEP |
| 2000 | extrusions-40-i8-40x80x2000 | STEP | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| a | Profile width | | 40 | | 40 | nominal | L1 |
| h | Profile height | | 80 | | 80 | nominal | L1 |
| b | Slot opening | | 8 | | 8 | nominal | L1 |
| t | Lip thickness | | 4.5 | | 4.5 | nominal | L0 (nom: one source) |
| e | Slot depth | | 12.25 | | 12.25 | nominal | L0 (nom: one source) |
| d | Core bore diameter | | 6.8 | | 6.8 | nominal | L0 (nom: one source) |
| r | Outside corner radius | | 4 | | 4 | nominal | L0 (nom: one source) |
| p | Core pitch | | 40 | | 40 | nominal | L0 (nom: one source) |
| A | Sectional area | | 1676 | | 1676 | nominal | L0 (nom: one source) |
Drawing

As a PDF: CC-EXTR40-I8-SZ-40x80.pdf.
The 40x80 aluminium extrusion beside the 40x40 and the 80x80
The 40x80 is number 2 of the 3 40 I-type slot 8 aluminium extrusions published here, listed from 40x40 to 80x80.
- Profile width (a): 40 mm on the 40x80 aluminium extrusion, against 40 mm on the 40x40 and 80 mm on the 80x80.
- Profile height (h): 80 mm on the 40x80 aluminium extrusion, against 40 mm on the 40x40 and 80 mm on the 80x80.
- Slot opening (b): 8 mm on the 40x80 aluminium extrusion, the same on the 40x40 and the 80x80.
- Lip thickness (t): 4.5 mm on the 40x80 aluminium extrusion, the same on the 40x40 and the 80x80.
- Slot depth (e): 12.25 mm on the 40x80 aluminium extrusion, the same on the 40x40 and the 80x80.
- Core bore diameter (d): 6.8 mm on the 40x80 aluminium extrusion, the same on the 40x40 and the 80x80.
- Outside corner radius (r): 4 mm on the 40x80 aluminium extrusion, the same on the 40x40 and the 80x80.
- Core pitch (p): 40 mm on the 40x80 aluminium extrusion, the same on the 80x80.
Other sizes
Documents
Sources
item-line8, motedis-i8-pages. Full citations: the method page and this size's datasheet.
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