Get swinging with this handy plastic hinge, attach it to your 20mm extrusion and you can have parts that swing open 180 degrees. Using our button screws, the bumpy heads make it close around ~170 degrees, you can substitute countersink screws if you want a full 180. You'll also want to get some 10mm long screws to attach it! Plastic Hinge for 20x20 Aluminum Extrusion (8:30)

Brace yourself! You'll definitely want to pick up a couple of these double corner brace supports when working on a project with 20x20 extrusion. They're nice and solid, made of cast aluminum so they are stronger than extruded corner supports. Four holes, two in each corner allow you to easily connect two pieces at a 90 degree angle. Comes as just one piece, you'll also need T-nuts and 10mm long screws (8mm will also work) Aluminum...

Brace yourself! You'll definitely want to pick up a couple of these corner brace supports when working on a project with 20x20 extrusion. They're nice and solid, made of cast aluminum so they are stronger than extruded corner supports. Two holes, one in each corner allow you to easily connect two pieces at a 90 degree angle. Comes as just one piece, you'll also need T-nuts and 8mm long screws (10mm are too long!) Aluminum Extrusion...

Oh boy, now you have no excuse for not building that robot! Nothing is easier or faster than building with extrusion and we've added 20mm square aluminum extrusion and components to our catalog. This product is the extrusion itself. Made of aluminum, its exactly 20x20mm square and has slots on all four sides. You can use T-nuts that slide into the slots to connect plates, couplers, PCBs, cut-outs, etc. Its sort of like a big-sized Erector...

Attach various pieces of 20mm slotted aluminum extrusion together with this 5-hole corner plate. Measures 60mm long x 60mm wide, 4mm thick. 5.3m drill holes 20mm apart so you can use M4 or M5 screws. You'll want to use 10mm long screws to attach this to 20mm extrusion. L-Plate for 2020 Aluminum Extrusion (8:50)

This is an interesting hardware piece addition for 20x20 aluminum extrusion. Rather than being a 90 degree type plate, its a hinged piece that connects the end of one extrusion to the side of another, but with any angle you wish. You can loosen/tighten the angle with the screw on the side. Given its just a bolt, it's not incredibly strong so while you can use it for structure, its not a load-bearing connector: make sure there isn't a lot...

Attach various pieces of 20mm slotted aluminum extrusion together with this 5-hole T-shaped plate. Measures 60mm long x 60mm wide, 4mm thick. 5.3m drill holes 20mm apart so you can use M4 or M5 screws. You'll want to use 10mm long screws to attach this to 20mm extrusion. T-Plate for 2020 Aluminum Extrusion (8:50)

An essential for working with slotted aluminum extrusion, these slim metal nuts slide into the side-slot of the extrusion. The slightly oval shape means that as they screwed-into the nut jams against the slot. This product comes as a bag of 50 slim T-nuts, with M4 threads. If you don't need to be able to insert them from the side, check out our "oval" T-nuts that be dropped into the slot from the end. Works with any of our M4...

Attach various pieces of 20mm slotted aluminum extrusion together with this 3-hole plate. Measures 40mm long, 18mm wide, 4mm thick. 5.3m drill holes 20mm apart so you can use M4 or M5 screws. You'll want to use 10mm long screws to attach this to 20mm extrusion. Coupling Plate - 2 Holes - 20x20 Aluminum Extrusion (8:50)

An essential for working with slotted aluminum extrusion, these slim metal nuts slide into the ends of the extrusion. The oval shape means that as they screwed-into the nut jams against the slot. This is for our 20x20mm slotted extrusion, not "OpenBeam" 15x15mm This product comes as a bag of 50 T-nuts, with M4 threads. If you want to be a little more lux, check out our "slim" T-nuts that be dropped into the slot from the side...

Cute as a button, these button-head hex screws are what we suggest for putting together a project with our slotted extruded aluminum. Use a 2.5mm hex wrench to attach/detach. This length is good for attaching something about 2mm/0.08" thick to 20x20 extrusion. Comes in a pack of 50. M4 20 threads/cm (0.5mm pitch), 8mm threaded body. Button Hex Machine Screw - M4 thread - 8mm long - pack of 50 (6:35)

Finish your project in style with these snap-on caps. Made of a soft plastic, they'll make your project look more professional. Comes in a pack of 10 and fits onto the ends of our 20x20 aluminum extrusion. Aluminum Extrusion End Cap (for 20x20) - pack of 10 (4:15)

Attach various pieces of 20mm slotted aluminum extrusion together with this 7-hole cross joining plate. Measures 100mm long x 60mm wide, 4mm thick. 5.3m drill holes 20mm apart so you can use M4 or M5 screws. You'll want to use 10mm long screws to attach this to 20mm extrusion. Cross-Plate for 2020 Aluminum Extrusion (8:50)

Attach various pieces of 20mm slotted aluminum extrusion together with this 3-hole plate. Measures 60mm long, 18mm wide, 4mm thick. 5.3m drill holes 20mm apart so you can use M4 or M5 screws. You'll want to use 10mm long screws to attach this to 20mm extrusion. Coupling Plate - 3 Holes - 20x20 Aluminum Extrusion (8:50)

To build all your fun CNC machines, you'll need an Allen key! This one is 2.5mm in size and works with our M4 screws and will make assembling your extruded aluminum project a cinch. Allen Wrench (Hex Key) - 2.5mm (12:21)

Cute as a button, these button-head hex screws are what we suggest for putting together a project with our slotted extruded aluminum. Use a 2.5mm hex wrench to attach/detach. This length is good for attaching something about 4mm/0.15" thick to 20x20 extrusion. Comes in a pack of 50. M4 0.7mm pitch 10mm threaded body. Button Hex Machine Screw - M4 thread - 10mm long - pack of 50 (6:35)

Get cracking on your robot, fixture or gantry with this luxurious extruded aluminum starter kit. You get tons of stuff, so you won't end up frustrated and missing a component. The pieces are also pre-cut so for many small projects you won't even need to get out your hacksaw. All extrusions are 15mm by 15mm square Comes with: 4 pieces of 150mm long extrusion4 pieces of 120mm long extrusion4 pieces of 90mm long extrusion4 pieces of 60mm...

Get cracking on your robot, fixture or gantry with this luxurious extruded aluminum starter kit. You get tons of stuff, so you won't end up frustrated and missing a component. The pieces are also pre-cut so for many small projects you won't even need to get out your hacksaw. All extrusions are 15mm by 15mm square Comes with: 4 pieces of 150mm long extrusion4 pieces of 120mm long extrusion4 pieces of 90mm long extrusion4 pieces of 60mm...

Get cracking on your robot, fixture or gantry with this luxurious extruded aluminum kit. This is the ultimate Open-Beam kit, for machine builders! You get tons of stuff, so you won't end up frustrated and missing a component. The pieces are also pre-cut so for many projects you won't even need to get out your hacksaw. All extrusions are 15mm by 15mm square. Comes with: 8 pieces of 300mm long extrusion4 pieces of 280mm long extrusion4...

Get cracking on your robot, fixture or gantry with this luxurious extruded aluminum kit. This is the ultimate Open-Beam kit, for machine builders! You get tons of stuff, so you won't end up frustrated and missing a component. The pieces are also pre-cut so for many projects you won't even need to get out your hacksaw. All extrusions are 15mm by 15mm square. Comes with: 8 pieces of 300mm long extrusion4 pieces of 280mm long extrusion4...

Get cracking on your robot, fixture or gantry with this luxurious extruded aluminum kit. This is the ultimate Open-Beam kit, for machine builders! You get tons of stuff, so you won't end up frustrated and missing a component. The pieces are also pre-cut so for many projects you won't even need to get out your hacksaw. All extrusions are 15mm by 15mm square. Comes with: 8 pieces of 300mm long extrusion4 pieces of 280mm long extrusion4...

Get cracking on your robot, fixture or gantry with this luxurious extruded aluminum kit. This is the ultimate Open-Beam kit, for machine builders! You get tons of stuff, so you won't end up frustrated and missing a component. The pieces are also pre-cut so for many projects you won't even need to get out your hacksaw. All extrusions are 15mm by 15mm square. Comes with: 8 pieces of 300mm long extrusion4 pieces of 280mm long extrusion4...

Oh boy, now you have no excuse for not building that robot! Nothing is easier or faster than building with extrusion and we've added dual-20mm square aluminum extrusion and components to our catalog. This product is the extrusion itself. Made of aluminum, its exactly 40x20mm and has slots on all four sides. You can use T-nuts that slide into the slots to connect plates, couplers, PCBs, cut-outs, etc. Its sort of like a big-sized Erector set....