Fenner sprockets are available with either Taper Lock fixing or pilot bored and are precision manufactured from medium carbon steel (c45) or fine grade cast iron (GG25).
Sprockets are available in simplex, duplex and triplex forms for sizes 05B to 20B.
Features: 
• Fully machined 0.45% carbon steel (C45) or high-grade close grain grey iron (GG25) is used 
• Strict manufacturing tolerances match sprocket profiles to ISO R606 chain standards for a smooth rolling action which significantly reduces sprocket tooth wear 
• Boring and keywaying service available 
• Taper Lock mounting for quick and simple installation 
• Taper Lock and pilot bored sizes available from stock 
• All Fenner sprockets are manufactured to exacting specifications