A pair of aluminium GT2 timing pulleys with a 5 mm bore, designed to mount directly onto common NEMA 17 stepper motors. Each 20-tooth pulley works with standard GT2 6 mm timing belts, making them a reliable choice for 3D printers, CNC machines, and other precision motion projects.

Key Features

• 20-Tooth GT2 Profile – Compatible with standard GT2 timing belts
• 5 mm Bore – Fits common NEMA 17 stepper motor shafts
• Aluminium Construction – Lightweight and durable
• Set Screw Mounting – Two M3 grub screws per pulley for secure attachment
• Pack of 2 – Enough for a single-axis or dual-drive setup

Specifications

• Teeth – 20
• Inner Bore Diameter – 5 mm
• Tooth Diameter – 12.5 mm
• Tooth Width – 6.8 mm
• Outer Diameter – 15 mm
• Fastening – 2× M3 set screws per pulley

Ideal For

• 3D printer axis drives
• CNC and laser cutter motion systems
• Robotics and mechanical prototyping

Package Contents

• 2× 5 mm Aluminium Timing Pulley (20-tooth)
• 4× M4 set screws