Hella Durable T Slot 2020 Aluminum Extrusion Profile 400mm Length Anodized Black Surface 6063 Grade Alloy Smooth Linear Rail Ready To Roll Frame Kit For Custom 3D Printer And CNC Build

Heavy duty 400mm 6063 aluminum extrusion rail
✔️ 400mm 15.75in eu 20 series black linear rail

You receive one black anodized 2020 aluminum extrusion ready for immediate use. The flat outer skin and open t channels let you bolt clamps, rollers, and panels anywhere along the bar. You will use it to frame steady workbenches, cnc routers, 3d printer bases, or gym gear racks. The fitted poly end plugs seal the ends against dirt and sharpen your finger safety.

✅ 400mm 15.75in overall length suits compact bench builds
✅ 20mm.79in box shape takes heavy shear loads without flex
✅ 1.5mm.06in wall depth blends light handling with real grip

💡 What is a 2020 t slot aluminum extrusion used for?
This handy black profile locks your moving parts steady while reducing drag on your stepper motors.
- Precision milled 6063 stock maintains track alignment during repeated axis cycling
- Symmetrical gutters allow quick carriage drops and gear swaps without loose fittings
- Protective dark skin blocks shop grease so maintenance stays down near zero

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