BlackStar H80BS13 1 3/4 K2S - 80 Pitch Finished Bore Sprocket - 13 Tooth - 1-3/4" Bore Accessory What does the 20M in

What does the 20M in 6000-20M-170 mean

Belt Section 8V Sub-Type Banded Width 1" Thickness 29/32" Length 212 in Number of Bands 7 Material Neoprene Reinforcement Aramid (Kevlar) Color Black Performance Heavy-Duty Temperature Range -30°F to 185°F

1000-5M-09 Timing Belt

"mpn":"SPA2832-PIX"

"name": "What is the temperature rating of 10/B255

BlackStar H80BS13 1 3/4 K2S - 80 Pitch Finished Bore Sprocket - 13 Tooth - 1-3/4" Bore Accessory What does the 20M inThe BlackStar H80BS13 1 3 4 K2S is a 80 pitch Finished Bore roller chain sprocket with 13 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 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS13 1 3 4 K2S Chain Pitch 80 Number of Teeth 13 Bore