BlackStar H80BS17 1 7/8 K2S - 80 Pitch Finished Bore Sprocket - 17 Tooth - 1-7/8" Bore D&D Global "name": "What does the AT10US

"name": "What does the AT10US in 32AT10/600US mean

com/s/files/1/0666/7721/products/Micro_VBelt_stock_photo_edit_3202a0e6-45cc-4104-b56e-ca3a2d146cd7

"name": "What does the AT5US in 16AT5/780US mean

"sku":"370H1771-D&D"

BlackStar H80BS17 1 7/8 K2S - 80 Pitch Finished Bore Sprocket - 17 Tooth - 1-7/8" Bore D&D Global "name": "What does the AT10USThe BlackStar H80BS17 1 7 8 K2S is a 80 pitch Finished Bore roller chain sprocket with 17 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 has a 1 7 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS17 1 7 8 K2S Chain Pitch 80 Number of Teeth 17 Bore