Amazon.com: 8M 20Teeth Timing Belt Drive Pulley 16mm Bore 8mm Pitch For 25mm Width Belt 8M20T Synchronous Wheel without Step Aluminium Alloy (tooth width: 27mm, bore: 16mm) : Industrial & Scientific
Newsmarts Aluminium Alloy Timing Pulley XL 48 Teeth 8mm Timing Belt Pulley for 3D Printer: Amazon.com: Industrial & Scientific
E-outstanding Synchronous Wheel 2PCS Silver 20 Teeth 8mm Bore Timing Pulley GT2 Aluminium Alloy Synchronous Wheel for 6mm Width Belt 3D Printer CNC Mechanical: Amazon.com: Industrial & Scientific
Amazon.com: 50 x Black Aluminium Rivets, Dome Headed 4.0 x 8mm Blind Pop Rivet : Industrial & Scientific
Linear Rails 4080U 8mm 250mm/300mm/350mm400mm/450mm Stroke Aluminium Profile Z-axis Screw Slide Table Linear Actuator Kit for CNC Router - (Guide Length: 250mm Color: Black): Amazon.com: Industrial & Scientific
Amazon.com: Automotive-leader 6mm 1/4" Fuel Non Return One Way Check Valve Control for Petrol Diesel Fuel Oil Water Aluminium Alloy Accessories : Automotive
Aluminiumblech 8mm 5083 100 mm x 100 mm (10cm x 10cm) : Amazon.de: Gewerbe, Industrie & Wissenschaft
Round Tube 1m x 8mm x 1mm - Silver Anodised Aluminium : Amazon.co.uk: DIY & Tools