Xem Studiomeasured geometry

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2020 aluminum extrusion

What is the 2020 extrusion profile for brackets and T-nuts? · Standard part · basis: industry standard profile; two slot families

width
20 mm
height
20 mm

Notes

  • 20 × 20 mm square; slot opening 6 mm (European/Misumi style, the common 3D-printer frame) or 5.26 mm (8020 10-series); center bore ~Ø4.2 for M5 tapping.
  • Design brackets to the 6 mm slot with M5 T-nuts unless the frame is 8020-series.

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

WikipediaT-slot structural framingwebCC BY-SA 4.0 (text)

Xem scan

Not needed Published standard; the sheet is the geometry.

Plain text: sheet.txt · JSON: /api/geometry?object=2020-extrusion

Schematic, not to scale.

Fits with

Socket head cap screws, M2–M8 (ISO 4762 / DIN 912), isometric render of a generated part
Socket head cap screws, M2–M8 (ISO 4762 / DIN 912)7 sizes★ 47 files
Hex nuts, M2–M8 (ISO 4032), isometric render of a generated part
Hex nuts, M2–M8 (ISO 4032)7 sizes★ 7 files
hole pattern
NEMA 17 stepper motor42.3×42.3 mm★ free
OD
608 ball bearing7×22×22 mm★ free

Questions

What is the slot width of 2020 extrusion?

6 mm for European/Misumi style (the common 3D-printer frame), 5.26 mm for 8020 10-series; center bore about Ø4.2 for M5 tapping.

What T-nuts fit 2020 extrusion?

M5 T-nuts or drop-in/hammer nuts for the 6 mm slot; M3 and M4 T-nuts exist but M5 is standard.