#40 Chain Sprocket with 0.5 Bore and 9 Teeth”

Hardened steel sprocket for half inch (1/2″) roller chain. There is a 0.5″ bore (12.7mm) with keyway, set screws and key.

Product Specifications

Physical Properties
Inner Diameter	¹⁄₂?€³
Number of Teeth	9
Sprocket Series	# 40

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