5mm Aluminum Timing Pulley (Pair)

• Inner Diameter: 5mm
• Teeth: 20
• Teeth Diameter: 12.5mm
• Outer Diameter: 15 mm
• Fastening Screws: M3 x 2
• Belt pitch: 2mm

The 5mm Aluminum Timing Pulley (Pair) is an 20 tooth timing pulley with a center diameter of 5mm, this is the size you need for mounting on a stepper motor. These pulleys are great for many mechanical projects. They are also very commonly used in 3D printers.