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. These 2GT-3mm Pulley’s have a 6.35mm Bore making a perfect partnership with NEMA23 Stepper Motors
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