Gates 8MGT-640-21 Poly Chain GT2 timing belt is an 8MGT-series GT2 belt with 640 teeth and a 21 mm width. It is part of Gates' Poly Chain GT2 family and uses the GT2 tooth profile for precise, positive-drive power transmission in timing-belt drive systems. This belt is designed for industrial automation and precision machinery that require a wide GT2 belt with a high tooth count.
