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For precise motion control, GT2 belts and pulleys offer excellent precision at a great price. This pulley is meant for use with GT2 6mm wide belts only - MXL belts will slip due to the different tooth profile.This pulley has 20 teeth, and a 5mm inner bore. Two set screws can be used to attach it..

This is a high quality aluminum GT3 timing pulley that is perfect for your automation projects!  It has more aggressive teeth than it’s little brother the GT2 so this can be used in higher torque applications.  This pulley has a 8.00mm  bore size which fits our NEMA 23 8MM STEPPER MOT..

GT 3GT Type Timing pulleys for High Accuracy Positioning.This 20 Teeth 3GT Pulley Timing pulleys with small backlash. Suitable for positioning ,CNC machines,Laser machine,Engraving machine!Type:20-3GT-6 BF Pitch:3mmTeeth Number :20 teeth Outside Diameter (OD):18.33mmBore:6.35mm Flange..