British/Sati/Din standard roller chain sprockets, 20B duplex double row chain sprockets, material steel C45
20B-2 British Duplex Roller Chain Sprockets
Those sprockets are made by high quality carbon steel, C45. Sprockets are one piece design or welding, processed by round bar steel or forging material.
Sprockets in inventory are plain bore, can be easily bored to taper, finished bore, or process keyway, setscrews or hex, spline bore according to customers' requirements.
Sprockets for duplex roller chain according to
DIN 8187/-ISO/R 606
Pitch:31.75mm
Roller Diam. :25.4mm
Teeth Thickness: 18.5mm