T5 metric pitch toothed pulleys & matching belts 10mm wide timing belts A range of different pulley & belt sizes available A range of toothed pulleys & belts ideally suited where precision equipment set-up & easy access to transmission chain are required. Pulleys are aluminium supplied pretapped with M3 socket set screws & keys. The 10 tooth pulley is provided with a mounting hole to fit a 3mm shaft the remainder of the range are designed to fit 4mm shafts. These may be enlarged to suit required shaft size. The toothed belts are made from wear-resistant composite with fibre reinforcement & are 10mm wide.