BlackStar 40BTL48 - 40 Pitch Taper Lock Sprocket - 48 Tooth AT20US Section What does the 8M in

What does the 8M in 1312-8M-50 mean

"name":"Bando 4PK1085 Automotive Serpentine Belt"

2/BX112 is a standardized industry size

798 lb UPC 190859038450 Applications

BlackStar 40BTL48 - 40 Pitch Taper Lock Sprocket - 48 Tooth AT20US Section What does the 8M inThe BlackStar 40BTL48 is a 40 pitch Taper Lock roller chain sprocket with 48 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a Taper Lock Bushing (sold separately). Specifications Part Number 40BTL48 Chain Pitch 40 Number of Teeth 48 Bore Type Taper Lock Hub Style Taper Lock Bushing Required Taper Lock Bushing Strand Count Single Material Steel