Amazon.com: 10pcs 5mm Dia x 250mm Long .19685" x 9.84" Aluminum 6061 Round Rod Bar : Industrial & Scientific
Amazon.com: Efco 1 x 5mm x 2m Aluminium Anodised Flat Wire, Silver
Amazon.com: uxcell 6063 Aluminum Tube, 4mm 5mm 6mm OD x 1mm Wall Thickness 300mm Length Seamless Round Pipe Tubing, Pack of 3 : Industrial & Scientific
10 Pieces Hollow Metal Cavity Fixing Hollow Door Anchor for 0-5mm Door Extra Short Hollow Wall Anchors Aluminium cladding Sheet Steel Pipe, Iron Sheet, Hollow Plastic Sheet (8 * 16MM): Amazon.com: Industrial
Amazon.com: 6Pack Treehobby Aluminium Alloy Shaft Coupling Rigid Stepper Motor Wheel Coupler Joint Connector for DIY Car Boat Airplane 3D Printers, 5mm to 8mm : Industrial & Scientific
5mm to 5mm Aluminum Flexible Shaft Coupling for 3D Printing Pack of 10 Pcs: Amazon.com: Industrial & Scientific
2PCS 5mm to 6mm Aluminium Plum Flexible Shaft Coupling 25mm Length 20mm Diameter Connector Flexible Coupler for 3D Printer CNC Machine and Servo Stepped Motor: Amazon.com: Industrial & Scientific
Amazon.com: TINGCHAO 5 Pcs Aluminium Rod Round Bar 6061 T6 Grade for Decoration Construction Transportation Electronics Aviation Aerospace Body Panels Hubs Ship Materials,5mm : Industrial & Scientific