BlackStar H80A14 - 80 Pitch A-Plate Sprocket - 14 Tooth 45mm v=1630683466"

v=1630683466"

and Jason Industrial A57

What does the 5M in 1600-5M-25 mean

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BlackStar H80A14 - 80 Pitch A-Plate Sprocket - 14 Tooth 45mm v=1630683466"The BlackStar H80A14 is a 80 pitch A Plate roller chain sprocket with 14 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 H80A14 Chain Pitch 80 Number of Teeth 14 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 4. 98" Pitch Diameter