Manufactured to internationally recognised standards DIN8187-ISO/R 606 and are produced from C45 steel UNI EN 10083-1 having a minimum strength of 600 N/mm 2. They have induction hardened teeth to reduce tooth wear so extending the sprockets working life. Conveniently held in stock in all popular metric bore sizes (dimension D), and corresponding key way that is located on the centre line of a tooth and 2 grub screws at 90' to each other for securing to a shaft. Available from stock to suit British standard roller chains from 06B (3/8" pitch) up to 16B (1" pitch) sizes in Simplex (single) row of teeth.
