The 2GT-3mm Series of belts and pulleys has more aggressive teeth than its little brother the 2GT. 2GT-3mm has the same tooth profile as 2GT, but is with a 3mm pitch instead of 2mm. It is commonly known as GT3. 2GT-3mm is more suited to higher torque applications, making it perfect for your automation projects. This belt comes closed loop making it perfect for use in a gear reduction system.
2GT-3mm Timing belt is made from Neoprene and has Fiberglass reinforcement, 2GT-3mm Timing belt is much thicker than GT2 and has excellent tooth engagement.