40x40 Aluminium Extrusion, 20 B-type slot 6
The 40x40 aluminium extrusion (20 B-type slot 6) measures 40 mm × 40 mm; its slots open 6 mm wide and its cores are bored 4.2 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: 40x40 extrusion, 40x40 x 100 to 40x40 x 2000 extrusions
- Model id:
extrusions-20-b6-40x40
- Standard: 20 B-type slot 6 · size 40x40
Lengths
| Length (mm) | Part key | Simplified | Detailed |
|---|
| 100 | extrusions-20-b6-40x40x100 | STEP | STEP |
| 150 | extrusions-20-b6-40x40x150 | STEP | STEP |
| 200 | extrusions-20-b6-40x40x200 | STEP | STEP |
| 250 | extrusions-20-b6-40x40x250 | STEP | STEP |
| 300 | extrusions-20-b6-40x40x300 | STEP | STEP |
| 350 | extrusions-20-b6-40x40x350 | STEP | STEP |
| 400 | extrusions-20-b6-40x40x400 | STEP | STEP |
| 450 | extrusions-20-b6-40x40x450 | STEP | STEP |
| 500 | extrusions-20-b6-40x40x500 | STEP | STEP |
| 600 | extrusions-20-b6-40x40x600 | STEP | STEP |
| 750 | extrusions-20-b6-40x40x750 | STEP | STEP |
| 1000 | extrusions-20-b6-40x40x1000 | STEP | STEP |
| 1500 | extrusions-20-b6-40x40x1500 | STEP | STEP |
| 2000 | extrusions-20-b6-40x40x2000 | STEP | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| a | Profile width | | 40 | | 40 | nominal | L1 |
| h | Profile height | | 40 | | 40 | nominal | L1 |
| b | Slot opening | | 6 | | 6 | nominal | L1 |
| e | Slot depth | | 6 | | 6 | nominal | L0 (nom: one source) |
| k | Core width | | 8 | | 8 | nominal | L0 (nom: one source) |
| d | Core bore diameter | | 4.2 | | 4.2 | nominal | L0 (nom: one source) |
| r | Outside corner radius | | 1 | | 1 | nominal | L0 (nom: one source) |
| p | Slot pitch | | 20 | | 20 | nominal | L0 (nom: one source) |
| w | Diagonal web thickness | | 1.5 | | 1.5 | nominal | L0 (nom: one source) |
| A | Sectional area | | 472 | | 472 | nominal | L0 (nom: one source) |
Drawing

As a PDF: CC-EXTR20-B6-SZ-40x40.pdf.
The 40x40 aluminium extrusion beside the 20x80
The 40x40 is the last of the 5 20 B-type slot 6 aluminium extrusions published here, listed from 20x20 to 40x40.
- Profile width (a): 40 mm on the 40x40 aluminium extrusion, against 20 mm on the 20x80.
- Profile height (h): 40 mm on the 40x40 aluminium extrusion, against 80 mm on the 20x80.
- Slot opening (b): 6 mm on the 40x40 aluminium extrusion, the same on the 20x80.
- Slot depth (e): 6 mm on the 40x40 aluminium extrusion, the same on the 20x80.
- Core width (k): 8 mm on the 40x40 aluminium extrusion, the same on the 20x80.
- Core bore diameter (d): 4.2 mm on the 40x40 aluminium extrusion, the same on the 20x80.
- Outside corner radius (r): 1 mm on the 40x40 aluminium extrusion, the same on the 20x80.
- Slot pitch (p): 20 mm on the 40x40 aluminium extrusion, the same on the 20x80.
Other sizes
Documents
Sources
misumi-hfs5, motedis-b6-40x40-drawing. Full citations: the method page and this size's datasheet.
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