BlackStar H41BTL21 - 41 Pitch Taper Lock Sprocket - 21 Tooth XL Section What is the Megadyne 4/8V1500

What is the Megadyne 4/8V1500 used for

What is 3/5VX800 used for

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16AT10/1500R has a 10 mm tooth pitch

BlackStar H41BTL21 - 41 Pitch Taper Lock Sprocket - 21 Tooth XL Section What is the Megadyne 4/8V1500The BlackStar H41BTL21 is a 41 pitch Taper Lock roller chain sprocket with 21 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. This sprocket requires a Taper Lock Bushing (sold separately). Specifications Part Number H41BTL21 Chain Pitch 41 Number of Teeth 21 Bore Type Taper Lock Hub Style Taper Lock Bushing Required