Extrusion. Download files and build them with your 3D printer, laser cutter, or CNC. Alloy Or Not: Is Alloy. . Our easy to use and highly creative construction system provides a. Drop-in M4 and M5 T-slot Nuts for 80/20 Aluminum Extrusion by rcolyer. 80/20® is the leader in the modular T-slot aluminum framing industry. As one of our smallest. Heavy duty extrusion comes with one open t-slot on each " face and two open t-slots on each 3". The profile is smooth‚ which makes it resistant. - Inch x 3 Inch T-Slotted Aluminum Extrusion. This item is heavy-duty (" x 3") in various lengths. Length: m for 20ft, m /m for 40'GP. 9,20 EUR. 80/20 T-SLOT EXTRUSIÓN ALUMINIO , "" X ", 4 RANURAS ABIERTAS, 18"" L ; IRONTIME SALES () ; Aprox. + 34,83 EUR de envío ; Cantidad. Product name: aluminum extrusion. is a 90mm x 90mm metric 45 series square T-slot profile with eight open T-slots‚ two on each 90mm face. This small metric extrusion comes with one open t-slot on each 20 millimeter face and two open t-slots on each 40 millimeter face. Delivery Time: days. PennAir is a distributor of , providing Aluminum Extrusion, T-slot framing, Aluminum Profile systems and resources. 2. All the material is slightly used; hence it will have light scratches. t groove aluminum railing.