BlackStar H80R40 - 80 Pitch R Sprocket - 40 Tooth P8M Section The 250-S8M-712 is a timing

The 250-S8M-712 is a timing belt from D&D Global's Dura-Sure Torque - S8M Series line

com/s/files/1/0666/7721/products/W_SilentSync_Sprocket_d08acb32-af1d-4b07-b3ba-51e46496c0ee

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com/s/files/1/0666/7721/products/J_Section_eba188ec-408c-4267-a494-62396963bfbe

BlackStar H80R40 - 80 Pitch R Sprocket - 40 Tooth P8M Section The 250-S8M-712 is a timingThe BlackStar H80R40 is a 80 pitch R roller chain sprocket with 40 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number H80R40 Chain Pitch 80 Number of Teeth 40 Bore Type Plain Bore Hub Style R Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 13. 31" Pitch Diameter 12. 746"