DURA-SURE TORQUE synchronous belts feature an STS super torque tooth profile.
Timing Belt, S3M, 9 x 633mm PL, T211 D&D DURA-SURE TORQUE belts meet or exceed USA RMA published ratings levels. They are manufactured with a heavy duty, woven, nylon based fabric tooth covering. They offer a dependable, economical and hassle-free alternative to chain drives. They are made with a high temperature chloroprene polymer throughout the belt, and are proven through thousands of hours of customer use to be durable and dependable.